thingiverse

free

Davincibot by Dealywhopper

...t by dealywhopper thingiverse this is a poseable modular, magnetic robot toy. make it, share it, sell it, trade it, upgrade it.

thingiverse

free

Prism by Buback

...minum frame is a quick upgrade to your standard sells mendel. it's better looking, roomier and, more importantly, more rigid.

thingiverse

free

Internal filament guide for Printrbot direct drive extruder by rswarner

...this fits the direct drive extruder upgrade (i bought it in october, 2013) that printrbot sells for all models of their printers.

thingiverse

free

3D Printer Extruder Motor Water Cooling - 2x5mm Silicone Pipes to 4mm Bowden PTFE Tube Clip by DarekNorway

...4mm bowden ptfe tube clip. designed for silicone pipes selling by trianglelab with this set: trianglelab stepper motor water...

thingiverse

free

PowerUp 3.0 Upgraded Front Clip - Allows charging while in case by Maundy

... paypal. printing using a raft retains the dimensional accuracy of the first few layers so the clip fits and functions better.

thingiverse

free

Small Storage Drawers, (Stackable) by happypig123123

...he main purpose is to just sell the stl for those who have 3d printers, but we can still ship storestacks to those who don't.

thingiverse

free

Logitech C920 Universal Webcam Mount (Scews or 3M VHB) by ps915

...make. this design is not for commercial use or selling unterstützte meine arbeit / support my work: thanks!...

thingiverse

free

NordicTrack 9.9 Elliptical Phone Holder by hipwrd64

...or optimal strength. if i have a need to in the future, i may upgrade the design for bigger form factors, such as ipads and such.

thingiverse

free

Raspberry Pi Zero Prism by ZeroBeatPro

...finalize the instructions and add it on thingiverse i'm selling a pi prism pre-built. if anyone wants one send...

thingiverse

free

Prusa i3 Bear Upgrade v2.0 by pekcitron

...square and build worldwide shipping plus several other shops selling these parts other type of aluminum extrusions can be...

thingiverse

free

Shark Byte upgrade socket bung by Haku3D

... tips are most welcome https://www.paypal.com/paypalme/haku3d and will encourage me to make more designs for everyone to benefit.

thingiverse

free

AC PrintrBot LC v2 8mm LM8UU Linear Bearing Sleeve by AlexC-Makerologist

...er the stock hardware. pla - 2 perimeters & 25% infill is plenty strong. this is sized for 8mm lm8uu linear ball bearings

thingiverse

free

IKEA RATIONELL Damper Housing by 0scar

...te that the baseplate is integrated in my design, before putting in the lip and damper you can screw it directly in the cupboard.

thingiverse

free

Logitech C270/310 Universal Webcam Mount (Scews or 3M VHB) by ps915

...make. this design is not for commercial use or selling du möchtest dieses teil haben? schreib einfach: facebook: http://www.bit.ly/contact_ps915...

thingiverse

free

Impact Driver Bit holder - Double bit holder by Tomodachi1

...t with the bit lock groove. when installing it, i put a peace of dense foam under the tabs to help with the spring. (see picture)

thingiverse

free

PowerUp 3.0 Spare Parts Holder by Maundy

...aypal. print in the default orientation (blue picture) shown above without supports.https://www.youtube.com/watch?v=w4aahwjh4we

thingiverse

free

Prusa MK2.5 MMU Bondtech upgrade

...! ! make me a beta tester, but stop selling underdeveloped crap and give people there money back! !...

thingiverse

free

VW Crafter/Merzedes Sprinter/Dodge Sprinter/Hyundai H35 - Rear Emblems by DarkHelmet

...and a cheese. we have a farm and are selling eggs and cheese. print with supports. mount it like...

thingiverse

free

Coffee Funnel for 52mm Portafilter by timb0

...us i hope? this could be printed clear so you can see how much coffee goes in, for me it's approx 25 seconds on my grinder.

thingiverse

free

Thrustmaster TSS sequential Mod Upgrade by Lv999Rabbit

...ivative or adaptation of the model, nor can you sell prints of the model. for personal use only – non commercial – not for resale

thingiverse

free

VertX by watsdesign

... [13/11] x-carriage have mounting points now to accept more hotends [30/11] v0.8 (x-carriage v12, x-end-idler-v9, x-end-motor-v8)

thingiverse

free

PowerUp 3.0 PowerBank and USB Cable 'shelf' by Maundy

...be paid with paypal. i managed to print this model upside down to the default view (blue picture) shown above without supports.

sketchfab

$6

Tom Nook

...w.tomjohnsonart.co.uk/ https://www.instagram.com/tomjohnsonart/ - tom nook - buy royalty free 3d model by tom johnson (@brigyon)

thingiverse

free

Tiertime Cetus STLs for MK2, MK3 extended or standard parts

...ates, only buy official tiertime/cetus parts from their store or retailers and give credit where credit is due to the cetus team.

blendswap

free

Factory and production line

... the model itself. use it as a part of a project. would be nice if you give feedback or post links to your works in the comments.

thingiverse

free

101Hero RAMPS + Display Tower Mount by Eddiie

... you will need 1 long screw that goes through the ramps, arduino, holder, and the mount. the other three scews are like m3 x 12.

renderosity

$14

Alex Norman Cloth Suit for G3 & G8 Male

...,too. wish you can compare the difference between m4 and genesis version and can find the evolution of this cloth suit.</p>

thingiverse

free

M3 Lee "Teslee" Upgrade Kit by Delta_Makes

...ou're printing for a friend. there is no m3 lee included in this kit. please support the official warlord games product line.

thingiverse

free

TBS Source One V4 Upgrades by Athelestan

...x mount is designed for the screw down style ones, like from tbs or rush. i'll add more parts if i make them. happy printing!

thingiverse

free

Threaded Filament dust filter for 1.75mm filament by Valstrath

...filament in the right direction. by the way, i'm selling the extruders from the picture on e-bay with this...

thingiverse

free

HASLAB UNICRON SEPARATE PLANET MODE FILLER V2 UPGRADE KIT by MADPROPPS and BYNT by bynt-matrix

...us and a great designer madpropps who will be selling the kit for those who do not have a...

thingiverse

free

Stryfe Wire Channel (with and without Volt Meter Mount) by Meishel

...myself or license to 3rd party companies interested in selling it (contact me if you...

thingiverse

free

Donut Cincewhoop Upgrade Kit

...dapter for antenna](https://www.banggood.com/custlink/mvkgbu9tde) budget radio: frsky x9 lite best cheap googles: eachine ev800md

thingiverse

free

2006 2007 KLX 250 Performance Air Box Cover by tonycstech

...with larger jet, and less exhaust restriction by either using slip on or gut the pipe your self if you can weld it back together.

thingiverse

free

Printrbot Power Tower alternative (Plexi Power Tower) by OgreMills

...tself, but we'll see how it goes. update: 6/6/15 - started to print parts and attach plexiglass together. pic updated as well

thingiverse

free

Savage Claw Mode Kit for Galaxy Upgrade Optimus Prime by Dylanator0123

...cover. this model is allowed for personal use only. selling prints of this model and/or any derivative versions created...

thingiverse

free

Cow: fursuit head-base, eyes, horns and teeth by Maimface

...be contacted on twitter for more help. i'm using the googledoc, so i can easily update the information across multiple posts.

thingiverse

free

Arcadia Quest - Portals & Vortexes by beardedbuddhagaming

...appreciate a tip for the design effort that was involved in creating it. thank you. https://www.etsy.com/shop/beardedbuddhagaming

thingiverse

free

Vectrex controller by coolate

...my replacement controller design! i have been making and selling them for a year + now and feel it...

thingiverse

free

High Rise Board Game Insert by Nayr090

...his myself once i get things in order. in the meantime, if this design helped you out, please consider dropping a tip. thanks! :)

thingiverse

free

LM6UU and LM8UU Linear bearing clip/holders by Roboteernat

...across a seller on a popular online auction site selling the lm6uu and lm8uu at â£2.75 for 2. i...

thingiverse

free

The Chimeric Printrbot Simple Metal: A complete dual extruder upgrade using E3D's Chimera compact dual v6 system by DrRadium

...less of the hot end.. and reprap.me for still selling ...

thingiverse

free

X-Carve Wide Y-Axis Dust Covers by PopsActual

... to seat, so i had to use a piece of scrap aluminum bar to press them in. because these are magnetic, they make maintenance easy.

thingiverse

free

eTopxizu 30amp cover for Anet A8 with socket by Revamped_Outdoors

...with mine, please send me a message. please let me know if you have any questions, comments or concerns! go lay down some layers!

thingiverse

free

lead screw motor mount revised stronger by locutus40

...may remix them as you see fit.. if you feel the need to donate to help me out.. paypal.me/edwardhaffner use gift when you do it..

thingiverse

free

RepRapPro extruder drive. NEMA14. by mbasov

...it was made by mistake... now days reprappro stop selling separate parts and sell only "parts kits". i understand...

thingiverse

free

9mm Bullet Feeder Light Switch by DPGunworks

...12-16 gauge wire optional: 10 gauge ferral connector and crimpers soldering gun heat shrink hot glue gun for photo sensor and led

thingiverse

free

Printrbot Simple Metal Z-Axis M5 0.8mm Pitch Threaded Rod Upgrade by Kramskee

...lt both things that i listed here for additional setup info if you modify the adaptor, share your mods here on thingiverse enjoy

thingiverse

free

Articulation - FREE to use by dr_greenwall

...venturer 3, and i'll also test with the prusa draft profile when josef sends me an i3 mk3s+ .... still waiting, josef :d :d

thingiverse

free

MM2 (MendelMax 2) Z Isolator & Brass/Bronze Leadscrew Mount by jakezilla3

...printed and installed. mtw (makers tool works) has started selling new bronze/brass leadscrew nut that is much smoother than...

thingiverse

free

MMPR Dragonzord Hand Replacement/Upgrade

...up on some scalpers site i'll pull them and we'll all suffer so please, don't be a turdperson. share and share alike!

thingiverse

free

Anet A8 & AM8 X Carriage V2 by M1dn1ghtN1nj4

...ase consider tipping. i put a lot of effort into this, and a little money for some monster or my electric bill is always awesome!

thingiverse

free

Original Xbox 70mm Nexus Fan adapter and mount by ToddsNerdCave

...the means to print this adapter, i will be selling them on my webshop:...

thingiverse

free

Cheap Camera for Rostock Max by DougLorenz

...ength, probably less than 3mm. as it is, the stock lens has maybe a 60 degree field of view, which doesn't show a whole lot.

thingiverse

free

OpenForge 2.0 Cut-Stone External Arrow Slit by devonjones

...penforge and masterwork tools at our: online catalog and backer site website forums (mostly we use facebook now) twitter facebook

thingiverse

free

Versalab finger guard for Dr Bean mod by Assafl

...can't "poke" between the belt and the guard. currently no belt slap at all. scad code and stl provided as v2 files.

thingiverse

free

Smooth-O-Matic Parts Polisher and Rock Tumbler by 2n2r5

...to be functioning as expected. i will probably be selling the kits. i don't really know what to use...

thingiverse

free

Arcadia Quest - Spawning Pillars by beardedbuddhagaming

...appreciate a tip for the design effort that was involved in creating it. thank you. https://www.etsy.com/shop/beardedbuddhagaming

thingiverse

free

Auto Off! Automatic 3D printer Shutdown. Complete power off. by activezombie

...o others can try. please don't steal my idea and sell it. i however will sell this as a kit if i can find some more ge boxes.

thingiverse

free

SimpleSumo- Educational Fighting Robots! by MechEngineerMike

...3 on pinshape.com here: https://pinshape.com/search/designs?q=simplesumo **video series introduction link:https://bit.ly/2hfgefy

thingiverse

free

Open Source Robotic Arm by oomlout

...l your own) (shameless plug) for more details about becoming a robotic arm developer visit our blog (http://www.oomlout.com/blog)

thingiverse

free

Imperium of Man Bolt Pistol Mold-A-Rama

...any of my models for such purposes, contact me. selling free models only results in artists releasing less free...

thingiverse

free

Mining Rig Frame 1515 Extrusion V.2 Stackable by twelvepro

...to print 6 copy of that file) we start selling it as well from our online store. can be...

thingiverse

free

Filament runout sensor with hall sensor by Speedy_67

...sensor ) use the trimpot. additional parts required: hall sensor:https://www.aliexpress.com/item/factory-sellingfree-shipping-10pcs-lot-linear-magnetic-hall-sensor-module-ky-024/32470668685.html?spm=2114.01010208.3.183.bkhars&ws_ab_test=searchweb0_0,searchweb201602_3_10152_10065_10151_10068_5210014_10193_10194_5290014_10304_10136_10137_10060_10302_10155_10062_437_10154_10056_10055_10054_10059_303_100031_10099_10103_5320014_10102_10101_10096_10052_10053_10107_10050_10142_10051_5280014_10084_10083_10080_5250014_10082_10081_10177_10110_10111_519_10112_10113_5240014_10114_5230014_10180_10182_10184_10078_10079_5260014_10073_10186_10123_10189_142_5270014,searchweb201603_49,ppcswitch_5&btsid=846200ab-454c-4912-9407-7501b2810847&algo_expid=720b0b14-6c53-4990-b73b-cb656acde4f8-23&algo_pvid=720b0b14-6c53-4990-b73b-cb656acde4f8 bolts: 2 pcs m3x10 1pc m3x12 1pc m3x45 or...

thingiverse

free

Prusa i3 Bear Half Upgrade v1.0 by pekcitron

...square and build worldwide shipping plus several other shops selling these parts powerful community easily customizable limited number of...

thingiverse

free

CR-10s Solid Bed Mount by ilikecake1

...tainless has a lower thermal conductivity, so it will be harder for the heat from the heated bed to make it to the printed parts.

thingiverse

free

Stacking Tournament Storage for X-Wing by nestyr

...now cc-attribution-non-commercial-share alike. if you are presently printing and selling this thing (or plan to), i would ask that...

thingiverse

free

Flexion Extruder Adapter for Robo3D and 80mm X Carriages by Assembyl

...while they are still in stock. they have been selling out the second they get more in: https://flexionextruder.com/ note...

thingiverse

free

3D Printed & Laser Cut, Lil-CNC Mill ACv2 by AlexC-Makerologist

...p://www.ebay.com/usr/myopen3d for more detail check out the instructable @ http://www.instructables.com/id/3d-printed-cnc-mill/

thingiverse

free

Cobra HISS tank (GI Joe) *updated'18 by Jabberwock

...n thingiverse.com they have done so without my permission. thank you for respecting the rights of the original copyright holder.

thingiverse

free

CTC PRUSA i3 Pro B Upgrade --> Mini Hypercube Evolution (HEVO) by triggermeister

... 10,100 10,180 100,10 100,180 180,10 180,100 180,180 speed: 50 horizontal_move_z: 5 probe_z_offset: 0.15

thingiverse

free

Anycubic i3 Mega Marlin LCD screen

... for up to 9mm belts: https://www.thingiverse.com/thing:4127878 credits for the i3 mega model: https://grabcad.com/vishal.kadia-1

thingiverse

free

Zaribo MK3 Rel2 by zaribocom

...hingiverse.com/thing:2964026 prusa mk2/s x-carriage adjustable tensioner by jon madden: https://www.thingiverse.com/thing:2770019

thingiverse

free

Eachine Aurora 100 FPV Racing Quad Upgrade Kit & Mods: YOUR FIRST DRONE by Banana_Science

...a dual extruder printer. i also plan to start selling them in bulk on ebay sooner or later. -motor...

thingiverse

free

CoronaVirus Aid Kit by Atreides37

...disclaimer that these are non-medical masks when giving or selling and please, please, please, start making as much colloidal...

blendswap

free

Space Shuttle Cockpit (Mesh Only)

...model of the space shuttle (orbiter) flight deck. i'm selling the textured versionhere, butas usual, i'm releasing the mesh...

thingiverse

free

Lite Arm_Open Source Robotic Arm (i1) by Armatec

...rried over from:http://www.thingiverse.com/thing:320004 my last project lance pierson www.armatecgroup.org armatecgroup@gmail.com

thingiverse

free

AnyCubic i3 Mega Design Notes by jrmoserbaltimore

...hed, and helps keep the cable straight and away from the frame at the top. print one yourself; they'd add more cost to ship.

thingiverse

free

My CoreXY Project by Astro_Mittens

...updated x axis a and b pulley housings to accept standard 20 tooth pulleys. added spreadsheet with links to parts and total cost.

thingiverse

free

Leaf springs for WPL, Fayee, JJRC v5 by Adrian202

...jjrc v5 by adrian202 thingiverse don't steal this by selling it on ebay !! first ask me !! caution...

thingiverse

free

Nerf Rapidstrike Brushless Motor Setup (Gen 3) by Ultrasonic2

...nd the new gen 3 wheels which reduce rs shell grinding and improves cooling. enjoy michael dixon update 30/nov/2018 fixed guides

thingiverse

free

Dell Latitude rack cluster

...rint one set was around 12-13 hours. material consumption approximately 1 kg petg per shelf (incl. some trials and failed models)

thingiverse

free

MINI MONOPRICE MINI | MPSM Select Miniature Scale Model by baschz

... printed on 0.13 in colorfabb sky blue pla and colorfabb woodfill and has almost the exact colours https://youtu.be/dvm8qnxm0tw

thingiverse

free

Wii U Large Battery Case by Kou_kun42

...ty of choosing a reputable battery and knowing for sure that it is the correct capacity specified. hopefully this helps you out!

thingiverse

free

LH déco by LEMBICZdesign

...9;acheter ma 1ere voiture. merci video : https://www.youtube.com/watch?v=fsig_o4djve tourisme : http://www.lehavretourisme.com/

thingiverse

free

Kingdom Death - Box Organizer, Token Trays, Extras

...n turn the tokens and flip as used, etc. that's really all there is to it...oh yeah, goes without saying, sleeved cards only!

thingiverse

free

TATARA A6 Steel Frame V1.1 - Codename: AWÁHSH - Anet A6 Swap it by TataraTeam

...tps://www.youtube.com/watch?v=ccygtgiblyy the tatara logo design is not under cc licence and you can't use without permission

thingiverse

free

Reprap - Funbot i1 by RepRapOsterlen

...ki page.http://reprap.org/wiki/funbot_i1 013-12-14 uploaded the print cooler and large ramps cover. latest upgrades are uploaded.

thingiverse

free

Cheap DIY 3KU Removable Flexible Print Bed mod by nuroo

...m curling while cutting my bed template for metal sheet - need a bigger 3d printer then 3ku or give stl directly to metal cutter.

thingiverse

free

Thing-O-Matic 3D Printer by MakerBot

...chess set? no problem. want to start a business selling printed things that you've designed? awesome. have the bot...

thingiverse

free

Anycubic I3 Mega Improved Hotend Fanbox (also Mega-S, Mega-X, Full Metal, BLTouch & E3DV6 versions) by Renba

...and the community (that means you)! ///////////////////////////////////////////////////////////////////// happy printings ! renba

thingiverse

free

VertexEvo Rev.2 by Bo_Ris

...018 vertex-h project was a success. please read the description here and choose which of these 2 mods will work the best for you.

thingiverse

free

Dual N20 motor mount for all WPL models by Adrian202

...wpl models by adrian202 thingiverse don't steal this by selling it on ebay !! first ask me !! you...

thingiverse

free

Tatara A8 Steel Frame V1.1 Hayabusa - Anet A8 Swap it and more by TataraTeam

...of 3d printing on the last years. licensing our projects under cc licence share alike 4.0 is a way to give back to the community.

thingiverse

free

Hornady Lock n load AP Auto Progessive Press Case Feeder. by jsondag

...amp. just seemed like a interesting "upgrade" as this is the only surface that has much pressure between sliding parts.

thingiverse

free

Piper J-3 Cub by themindseye

...j-3 cub was released at the end of 1937. selling for $1,300, this final cub also sported the now...

thingiverse

free

MK8 Printhead horizontal Carriage and Ninja Flex / TPU Filament path Adapter by dmyers7

...uced awesome results on some rubber feet i needed to print. it's working rock solid. let me know if you have any questions.

thingiverse

free

Zero Gravity Extruder Direct Drive by Gudo & Neotko by Neotko

...gudo and i (neotko) have other interest than just selling upgrades. is a nice idea, but we been crunching...

thingiverse

free

Eye Cu Smile V2 Transparent Face Covering Kit / Clear Mask NanoHack Copper3D Filter by FullPlasticScientist

...people with lung conditions such as asthma. license and selling of face covering kits we share these files under...

thingiverse

free

Spring Thunder - Shell Ejecting Foam Dart Blaster (WIP) by GDop26

...are still for sale, but i will not be selling any hardware kits until this is all sorted out....

thingiverse

free

UPDATED: techno_hippieGuy's Robo 3D Dual E3Dv6 Extruder Carriage (Work in Progress!!!!) by technoHippieGuy

.../www.thingiverse.com/thing:550788 assembly instructions and list of required parts will be supplied once designing is complete.

thingiverse

free

MIA 3D Printer Micro - Fabrikator Mini II Revamp for Higher Precision and Ease Of Calibration by MIAMicroFlight

...ions that mate with the base blocks using m4 screws in a self threading manner right into the plastic base to hold them in place.

thingiverse

free

Prusa i3 Aluminium Rework by Nutz95

...os is with e3d hot end with bowden tube built in. of course, if you have any questions or require more photos feel free to ask!

cg_trader

$55

Republic Commando Delta Squad One12 Scale 4 in 1 upgrade kit | 3D

...commando 1/12 scale armor in same proportion/ ratio that selling in link below....

grabcad

free

Sell My Quad Bike

... quad, this comprehensive guide will walk you through the process step by step. my website link :https://sellyourmotorbike.today/

cg_trader

$2

Tom Nook

...lroad crossing railroad sign traffic sign semaphore infrastructure guard post fantasy character animal crossing fantasy character

grabcad

free

Performance upgrade - Incineration plant - Villejust - South Paris

...ned it form a to z. here is the construction video https://drive.google.com/file/d/0b60m8rddas3qvhzhwgf1sg9tu1k/view?usp=sharing

cg_trader

$3

Leopard 2A7 main battle tank | 3D

...13, qatar ordered 62 of these mbts. these are known as leopard 2a7q. tank model kit vehicle games toys weapon miniatures vehicles

cg_trader

$7

Rounded Fan set FOR FLAT 4 BASE ENGINE 1-24TH | 3D

...blackboxstl tamiya revell fujimi aoshima porsche beetle 356 racing blackbox blackboxstl hotwheels flat4 turbo miniatures vehicles

cg_trader

$13

WPL D42 RC BODYKIT by BLACKBOX 1-10th | 3D

...put on the internet; pandem rocket bunny hoonigan hoonigam body rc truck kei keicar wpl d12 wpld12 d42 wpld42 miniatures vehicles

cg_trader

$7

RAM AIR TUNNEL set for 572 ENGINE 1-24th | 3D

... bigblock chevy camaro truck hotrod promod drag racing corvette nova chevelle holley edelbrock ram air tunnel miniatures vehicles

cg_trader

$5

DESTINY 2 THORN WISHES OF SORROW ORNAMENT PROP COSPLAY REPLICA | 3D

... custom 3d models. destiny 2 d2 bungie prop cosplay replica thorn hunter wishes of sorrow bone collectible miniatures memorabilia

cg_trader

$8

Custom Mandalorian Wrist Armor 2 | 3D

... mandaloriancosplay disney clonewars mandalorianarmor mando mandalorianmercs beskarsteel starwarsfan grogu babyyoda fashion other

cg_trader

$4

Springfield Armory XD | 3D

... changes, or custom 3d models. prop replica practice training springfield armory xd marko collectible games toys games toys other

cg_trader

$5

DESTINY 2 Alchemical Dawn SHELL GHOST EXOTIC SHELL | 3D

...les/ destiny 2 shell ghost bungie alchemical dawn d2 hunter ace of spades games toys games toys game accessories game accessories

cg_trader

$16

T-90A

...between 2001 and 2010, the t-90 became the world's best-selling new main tank. since the late 20t-90 vladimir is...

cg_trader

$16

Custom Mandalorian Gauntlet Armor | 3D

...eskar scifi space future starwarscosplay cosplay mandaloriancosplay disney clonewars mandalorianarmor gauntletarmor fashion other

cg_trader

$5

Gru Mini Gru Minions despicable me | 3D

...anges, or custom 3d models. gru mini felonius supervillain nefario minions despicable me stuart minion the rise of art sculptures

cg_trader

$3

Anubis bust WIREFRAME VORONOI WIREMESH MESH | 3D

...oronoi wiremesh mesh decor statue modern art decoration wire 3d sculpture lowpoly anubis ancient greek egyptian canine sculptures

cg_trader

$7

Turbo kit for our Flat Four BASE ENGINE 1-24th | 3D

...ram: @blackboxstl tamiya revell fujimi aoshima porsche beetle 356 racing blackbox blackboxstl hotwheels flat4 miniatures vehicles