thingiverse

free

BilletBox Stand.

... 5x 510 driptips. 6x bridges 2x kanger rba sections 4x buttons 4x pairs of doors (panels) 4x tanks 1x compartment for misc stuff

thingiverse

free

Oculus Quest 2 Lens Adapter Set by masterfelix

... for properly securing the adapter onto the quest 2 lens 4x m2*8 screws/bolts 4x m2 nuts small amount of mounting tape or similar

thingiverse

free

Dominion - Play surface and storage box by TomJBC

...5 with cylinder head. cover is designed for 3 pairs of magnets. but one pair of magnets have enough strength to hold case closed.

thingiverse

free

Prusa i3 mk2 Spool Holder by 87squirrels

...ay need some post processing for a full set you will need 4 pieces of each file (4x arm, 4x rippe, 4x rolle) model units are [mm]

thingiverse

free

Variable Delrin Wheel Spool Holder by KauaiMaker

...ol. additional materials required: 4x delrin v-wheels with bearings (mine were from a tevo tarantula) 4x m5*25 screws 4x m5 nuts

thingiverse

free

120 Film Masks 6x4.5 6x6 6x7 6x9 by Nick9128

...ubber bands -4x 70x7mm, 1mm thick felt or sponge(to fit in the grooves, it keeps the film tensioned and removes most of the dust)

thingiverse

free

OpenRC almost all metal rugged driveline by Steamerzone

...aller diff & changed axle. running this setup successfully with a pretty powerful sensored brushless motor for some time now.

thingiverse

free

Ducati XDiavel Chassie CAP's by LuckyLuc94

...also reserve the right to report changes made or similar products without consulting me and to initiate appropriate legal action.

thingiverse

free

T16000M and TWCS brackets for 20mm Tslot by oryhara

... around. i try not to go buying hardware for every new project. not when i can design parts to fit the hardware i have on hand.

thingiverse

free

Customizable Filament Gland by Commod0re

...sed m5x10mm) update 2018-03-29: added a version with just one filament opening update 2018-07-11: uploaded a revised version here

thingiverse

free

Geared timing belt and motor assembly (CNC) by suromark

... significant force. i used a small arbor press. remember to not apply force on the center of the bearing but the outer ring only.

thingiverse

free

Ultimate Spool Holder V3+ for Prusa MK3/s inspired by TUSH by Devilscave

...s and nuts from the replacement set, of the mk3 printer. as nuts i use 4x stopnuts for the bearings and 4x normal for the holder.

thingiverse

free

Sim Racing Paddle Shifter

... m3 nut (for securing paddle to shaft)https://www.mcmaster.com/90592a085 4x m3 screws for mounting shifter to button box or plate

thingiverse

free

uCurrent Gold Case with Integrated 3x AAA Battery Supply by AntaresAdroit

... it should be straight forward for me to modify the case part b to increase the clearance between the pcb and the battery holder.

thingiverse

free

Autonomous Drone Frame (Raspberry Pi + Naze32 FC) by FuriousBen

...here. the powertrain consists of 4 emax mt2204-2300kv outrunners paire with i believe 20a escs (the labels peeled off...

thingiverse

free

Pipe Clamp by DeviantDesigns

...usion if you wish to adjust them. their are some parameters for the wrist width and height so you can easily adjust to your pipes

thingiverse

free

Spring Paddle Shifters for Sim Racing

...or 2 x m3 45mm edit 2019.11.07 -> added 'paddle v2.stl' which allows for more space between the rim and paddle shifter

thingiverse

free

Heng Lamp by OnyxIbex

...-printed-heng-lamp/ designed in inventor very quickly and sloppily. i've provided the ipt file in case you want to modify it.

thingiverse

free

Hairy Unicorn - larger horn! by iamnorm

... a hair dryer and a metal fork is all you need to style the mane. (don't overdo it, the hairs will stick together and melt!)

thingiverse

free

"The Wind Tunnel" Raspberry Pi Cluster Case v1 by johtib

...witch. slide in the trays. they should snap in. connect the network cables, sata adaters cables, and the fan hub's usb cable.

thingiverse

free

C-130 Hercules Kit Card by Nakozen

...re to print 4x props and 4x engines. made as a paid commission for chmnrd. makes greatly appreciated, always love to see them! :)

thingiverse

free

KingKong 230 Prosight mount by shaddi

...hese: http://www.banggood.com/10pcs-m3-15mm-knurled-standoff-aluminum-alloy-anodized-spacer-p-1118405.html?p=je2206073384201208h2

thingiverse

free

Mini Drone Frame - GRacer One v5 PRO ^^ Update by GParts

...-20pcs-for-720-8520-coreless-motor-diy-micro-quadcopter-p-1092166.html battery: 1s 600mah (best for flips), 1000-1200mah (max) (:

thingiverse

free

External Power Supply for TBS Crossfire TX to work with FlySky NV14 Nirvana / UndergroundFPV Dark Knight Radio Transmitter

...venience of taking out batteries. for mounting, the combination of screw and base.stl can be replaced with dual-side sticky foam.

thingiverse

free

Sonoff Basic Dual USB Enclosure

...ements: 4x 8mm countersunk m3 screw 2x 8-12mm button head m3 screw sonoff basic r2 rf smart switch dual usb charger model yj-128

thingiverse

free

TUSH for Snapmaker Original Enclosure by SimpleMakes12

...t; part has been shortened so it could print on the snapmaker original, and it is meant to accommodate a spool 20 cm in diameter.

thingiverse

free

Fully Printable Spool Reel Mount for Duplicator i3 Plus / Maker Select Plus by plastic_person

... 2-4 for the other pair, but reverse the direction of the rings. snap all four brackets onto the top of the printer, as pictured.

thingiverse

free

Kaiser Articulated Bus by Stretch57

...al assembly as required. floor and body sections fit together with tabs; glue is not required unless assembly is to be permanent.

thingiverse

free

Kinect Holder and Handgrip by CatweazleMagic

...rtable in handling it and don’t end up cutting your own fingers off. i do hope you will enjoy this thingi. regards catweazlemagic

thingiverse

free

Battery Tray for Baddeley MKIII Astromech by jcharlton

...almost solid). some of the tolerances might be a bit tight depending on your printer, but it’s nothing a bit of filing can’t fix.

thingiverse

free

Triple magnet Paddle Shifter for SimRacing

...2mm/10mm/6mm 2x m3 35mm screws 4x m3 12mm screws 2x m3 6mm screws 6x m3 washers 2x m3 nuts if you like it please buy me a beer :)

thingiverse

free

BITX40 Hand Microphone by jvdb

...t5 ethernet cable going to a db9 connector 4x m3x10 bolts to mount the cover hot glue to keep the microphone and speaker in place

thingiverse

free

HLG QB96 Elite V2 Reflector and Light Fixture by BenjaminBradley

...n connect any number of light pairs together using the light brace joiner, which you use to create a bridge between two fixtures.

thingiverse

free

OpenRC Truggy Rework by Bitfrost

...-i5) for more information and a construction manual you could also visit my blog:http://blog.hk-fs.de/2015/01/29/openrc-truggy/

thingiverse

free

RC tank-steering Rock Crawler by danjr1

...lamping the rear bolt holders together when gluing them. hacksaw to cut the aluminium tubes usual marker pens and measuring tools

thingiverse

free

Electronic Load - Cordless work with M18 battery by DesignMakeShare

...is capable of drawing a constant current load. when paire with a m18 battery this makes for a handy...

thingiverse

free

Terminal cover / bracket for 75Ah 90Ah and 105Ah LiFePO4 Cells by VagueDirector

...op cover, as v1 does not fit when the cells are held together with threaded rods. v2 is also slightly thicker and has vent holes.

thingiverse

free

Indestructible 8520 Racing Frame by KeanuLouw

...igy nano-tech 750mah 35-70c battery. wish you the best of luck and please keep me up to date on your experience with this frame..

thingiverse

free

FPV Nano 85 by Bongo_1st

...tenna: https://www.banggood.com/eachine-5_8g-3dbi-brass-antenna-omnidirectional-ipex-port-for-vtx01vtx02vtx03atx03-p-1147689.html

thingiverse

free

Cheap Laserengraver using 28BYJ-48 by Moe_Fpv_Team

... i found out that this is a bigger problem) the x-axis can be tighten by the m6 rod in the middle ( i made the holes long enough)

renderosity

$11

EA Blaise Outfit for Genesis 8 Female(s)

...rphs included such as "adjust waist", "adjust chest" etc.<br /> <br /> happy rendering!</p>

thingiverse

free

Power case for astronomy 12V/60Ah only 6.5kg

...8s lipo li-ion battery voltage tester monitor low-voltage buzzer alarm dn25cm dew heater strip 5v hota d6 dual/pro smart charger

thingiverse

free

Indirect Light Fixture Kit by candicemakes

...s indirect lighting ideal for use in areas with reflective surfaces otherwise prone to glare such as home theaters and galleries.

thingiverse

free

4x 18650 Charging Station w/ 5v1a Single Cell Lipo Chargers by memisis

...e button while the until is powered gives you a powered voltage from the charger. hope you enjoy! this was a fun project for me.

thingiverse

free

Ncase M1 - EK D5 Pump/Res Mount by wywywywy

...mp bracket, with four m4 screws slot the entire assembly to the front frame of the case, where the internal ssd is supposed to go

thingiverse

free

Mini Racer Dquad 120mm 3S Polycarbonate With Micro Swift RunCam by Microdure

...//eu.fpvmodel.com/gemfan-2035bn-4-blade-propellers-purple-ccw-cw_g144.html?u=746e3c0c6edcf25e https://www.facebook.com/microdure/

thingiverse

free

Eachine Racer 130 mods by brandonhill

...wift micro 1/3" ccd camera or caddx turbo micro 1/3" cmos camera micro 4x led strip ws2812b male xt30 connector 5 pairs

thingiverse

free

FPV Micro 125 by Bongo_1st

...tps://www.banggood.com/eachine-flyingfrog-q90-micro-fpv-racing-quadcopter-spare-parts-micro-1000tvl-hd-coms-camera-p-1129846.html

thingiverse

free

First Aid Kit Container by pandelume

...leskin 1 face mask 2 packets aspirin (2 tablets) 2 packets acetaminophen (2 tablets) you can fill it with that or not, of course.

thingiverse

free

Animatronic mini Ear module by Mark_Valentijn

...sb. these controllers are widely available on ebay and other sites. i'd like to see your applications and extension for this.

thingiverse

free

Duplicator 6 Glass Bed Clamps by leocov

...ng the existing heater pcb bolts 10x m3 14mm bolt (or 16mm bolt with extra nuts and washers for spacers) 10x m3 nut 12x m3 washer

thingiverse

free

FlashForge Creator & Pro Connectors by agilliam

...9;s quality control. if i have missed something or have any questions please contact me. hope this helps someone else out there.

thingiverse

free

DC110 ABS ACRO for SP F3 RACING EVO Brush Flight Control by Microdure

...90-qx95-naze32-f3-diy-micro-brushed-fpv-racer-p-1100338.html?p=ld020411878172015024 good fun https://www.facebook.com/microdure/

thingiverse

free

Ryobi Battery DC Power Jack

... up. it should end up with the screw tabs of the stem flush with the bottom of the cover. screw the base onto the stem and cover.

thingiverse

free

Simple Filament Spool Holder v2 (No supports required) by reddtoric

... quality because it's designed with that in mind so there are no non-full height layers where it might be affect the function

thingiverse

free

mini 18650 powerbank by shawdreamer

...they often come out of laptop battery packs already paire together in that way anyway slot the button into...

thingiverse

free

GEPRC KHX (KHX5, KHX6, KHX7) DJI Air Unit and antenna mount

...xing i've included a .step file to encourage modifications. please let me know if there's any other format that you need.

thingiverse

free

GCPlug Open Source Plug'N'Play GameCube HDMI Dongle by collingall

...op, if you want to purchase them from this link i get a little bit of the profits.https://www.shapeways.com/shops/collingall-mods

thingiverse

free

Drill Alignment / Angle Tool by dylan77

...omments, suggestions, ideas...totally open to them. if any solid model files are wanted let me know and i'll post them up...

thingiverse

free

Customizable Filament Gland v2.1 by Commod0re

...ead in so that they do not compress it, as this will cause filament to bind up inside the post instead of sliding through freely.

thingiverse

free

100% printed FPV Copter 125mm 2,5" micro kwad by FatAir

....com/de/4-pairs-gemfan-flash-2540-2_5x4-2_5-inch-3-blade-propeller-with-1_5mm-mounting-hole-p-1221999.html?p=gd21064086966201603x

thingiverse

free

Low-cost lab rotator

...x 6mm m3 screws, and 6 m3 nuts (all available in this set) 2x 10x15x4mm ball bearings 8x 1/16" x 3/8" neodymium magnets

thingiverse

free

Animatronic mini Eye module by Mark_Valentijn

...sb. these controllers are widely available on ebay and other sites. i'd like to see your applications and extension for this.

thingiverse

free

MintyBoost XL - Custom MintyBoost by RobertHunt

...y marks & spencer sell "curiously strong mints" which are identical to altoid mints and come in the same sized tin.

thingiverse

free

Sand Feet for Compact Chair by Tel0ss

.... after a few revisions, because the first one was a rush, and the second i couldn’t math. v3 was ok, but v4 is the most refined.

thingiverse

free

Folding drone 300mm by Valsorimkubin

...it-6-dof10-dof-flight-controller-for-multicopter-p-1020774.html?rmmds=myorder the bonnet will have to be done with a vacuum form.

thingiverse

free

18650 Battery Boxes with Snap Lids, 1x to 4x Cells by sleemanj

...oning and wiring of the terminals is your business. the catch and lid retail the cells very strongly, i could not shake them out.

thingiverse

free

AA Cell Battery Box with Snap Lid, 1x AA to 4x AA Sizes by sleemanj

...oning and wiring of the terminals is your business. the catch and lid retail the cells very strongly, i could not shake them out.

thingiverse

free

Ultra portable Boscam FR632 ground station for FPV by hofftari

... washer. that's all you need! including all the hardware and components it turned out to cost only around 110€ to build this.

thingiverse

free

PowerFlower Geared Extruder by Emphacy

...0mm/s e jerk: 5.0 e accelleration: 1000mm/s i will be releasing a mount for a filament cleaner and gear guard in the near future.

thingiverse

free

QRpi Raspberry Pi QR mount (with STEP file) by MyStoopidStuff

...the 60mm fan case. if you make one, please post it, and if you have any suggestions or problems please post them in the comments.

thingiverse

free

SM ZMR 150 quadcopter drone multi rotor brushless frame by WhaleFPV

...rts cam updates... 06/11/2016... reworked the body and top plates they have come out much cleaner and fit a little better :) ...

thingiverse

free

Ugrinsky Wind Turbine (VAWT) with built-in Generator by QuadeHale

...ot encouraging buying anything from amazon. most of this can be found at your local hardware store, except maybe the magnet wire.

thingiverse

free

The Beast! by Greenasaurus

...bbyking.com/en_us/matek-micro-bec-5v-12v-adj.html 10xhttps://hobbyking.com/en_us/polymax-3-5mm-gold-connectors-10-pairs-20pc.html

thingiverse

free

Toothless eyes in color without a multicolor printer by paparazzi

...n order to have an amount of polygons manageable by freecad... something very simple to do, turned out to be very time consuming.

thingiverse

free

PS-240 X-Frame Quadcopter - X-Quad by ps915

...t-controller-p-991715.html?p=3r26141006882201412n project by philhttp://blog.seidel-philipp.de/ps-240-x-frame-betatest-gestartet/

thingiverse

free

Froggy 150 micro FPV racer by janmittner

...ropellers (http://www.thingiverse.com/thing:1003801) and 5" propellers (http://www.thingiverse.com/thing:1069161). have fun!

thingiverse

free

Ultimate Pi Zero W emulator machine inside SNES Cartridge by SomeFishySnail

...ments, but this is a learning experience and you should go through it all if you want to understand how all of these things work.

thingiverse

free

diatone spadger 180 full frame by WhaleFPV

...till very strong but 1/3 the weight. realised top plate didnt fit the main plate...testing again. top plate now fits much better.

thingiverse

free

Spool Holder Cones with dual Bearings by Loneguard

...o ;-)). i might add a customizer-enabled version later on. this file was initially published in my 3d-printing github repository.

thingiverse

free

Parts for 133% Ossum Jeep to fit RC 1/10 by edwardchew

.... i don't have one. **screws needed ( exact to be updated) lots of 15mm and 20mm m3 allen cap screw some 30-50 m2 allen screw

thingiverse

free

Antique Fractal Vise Replica by Clerick

...arefully cleaned and sanded/filed to fit. the jaws do not lock into the slots at this time as i wanted to keep the design simple.

thingiverse

free

ElCheapo DIY Arcade Cabinet (w/12 mm particle board) by eried

...the banner, check the speakers, etc. software the cabinet is running https://www.arcadepunks.com/coinops-arcade-front-end-for-pc/

thingiverse

free

ElCheapo DIY Arcade Cabinet (w/12 mm particle board) by eried

...the banner, check the speakers, etc. software the cabinet is running https://www.arcadepunks.com/coinops-arcade-front-end-for-pc/

thingiverse

free

HEVO / HPCE / PrecisionPIezo universal piezo Z probe adapter by Pumpal

... to edit/fix: https://www.tinkercad.com/things/j58bzawppw4 (ps all credits for the idea should go to coredump777 - thing:2616720)

thingiverse

free

Red Dwarf 135/155 micro FPV Quadcopter by janmittner

...ropellers (http://www.thingiverse.com/thing:1003801) and 5" propellers (http://www.thingiverse.com/thing:1069161). have fun!

thingiverse

free

Mobile Frame Zero: Shinonome SN-6H「台風」(Taifū) by Group-C

...t rockets stock configuration in flight for more info on mobile frame zero, a lego-based wargame: http://mobileframezero.com/mfz/

thingiverse

free

Micro JWL Quadcopter Frame for 16x16 & 20x20 Flight Controllers by dreamcutter

...000 -0.670 0.645 -1.000 mmix 1 1.000 -1.000 -0.645 1.000 mmix 2 1.000 0.694 0.648 1.000 mmix 3 1.000 0.976 -0.647 -1.000

thingiverse

free

Brushless Micro Quadcopter by socke

...ttle above 100g. i'm aware that this isn't the lightest micro quad, but for my needs and abilities it performs very well.

thingiverse

free

Budget Bee 90 - A brushless micro quad under 70€ by Tavero

...f money. first flight:https://www.youtube.com/watch?v=2xrkdow9_do flight with failsafehttps://www.youtube.com/watch?v=atjcswvaw5y

thingiverse

free

DC110 ABS FPV for SP F3 RACING EVO Brush Flight control by Microdure

... without lipo youtube test flight 2s: http://bit.do/video-youtube-brax-fpv-test-dc110-fpv-2s https://www.facebook.com/microdure/

thingiverse

free

Beer Box Blocks by Vyperion

...d the edge of the clip connectors for a set of 3 boxes wide was 11 1/8" apart. so (11 1/8" - 5/8"x2 = 9 7/8")

thingiverse

free

2020 CNC 10mm Linear by Lucan07

...d with the mp_cnc and this build, minimal printed parts more 2020 extrusion and some 5-6mm acrylic sheet replacing printed parts.

thingiverse

free

VTOL Y3 Mini Skyhunter tilt rotor parts by aticof

...//www.banggood.com/es/5-pairs-xt30-2mm-golden-male-female-non-slip-plug-interface-connector-p-1237676.html?p=x80605659227201407zi

thingiverse

free

Universal XY Carriage Adapter for Orbiter Extruder, BLT, Dragon/Dragonfly BMO by ijwoo1

...high glass temperature and results in a light, rigid part. use m851 x-51.00 y-5.00 to configure the probe offset from the nozzle.

thingiverse

free

TeenyGenie 1s quadcopter by mfazio_science

...tandoffshttps://www.banggood.com/120pcs-white-m2-nylon-hex-spacers-screw-nut-assortment-kit-p-1066965.html?p=x709229380619201703o

thingiverse

free

Hexacopter 1S/2S 125/110mm spracing f3 coreless 8.5x20mm by Microdure

...ginners in the rc. i wish you lots of fun with this hexadcopter is infinitely repairable mic. https://www.facebook.com/microdure/

thingiverse

free

Formula B1 - (Sim racing) steering wheel

...len) keys pair of scissors jig saw with aluminium blade drill 3, 4, 5, 12 mm file or rotary tool with mill utility knife wrenches

thingiverse

free

Hypercube Evolution X-carriage - 10mm x 16mm sleeve bearings by Nach0z

...arings (recommended ptfe or uhmw):ptfe sleeve: https://www.mcmaster.com/#2685t13uhmw-pe sleeve: https://www.mcmaster.com/#6657k13

thingiverse

free

tool-capsuleFiller #000 by BETLOG

...vidually, or just disregard this as they tend be sufficiently sealed to stay intact anyway. let me know so i can fix if required.

thingiverse

free

Mini SNES Pi Zero w/ Functional Switches by carjo3000

...led to the 3.3v pin of the pi. for this you will also need a 270 ohm resistor. please see the schematic in the build guide below.

thingiverse

free

2" Micro Quad - PETG edition by heliboy

... motor 2 a02 resource motor 3 a03 resource motor 4 b01 learning to fly a quad.https://uavcoach.com/how-to-fly-a-quadcopter-guide/

thingiverse

free

VFD direction/speed control lever mechanism

...he chassis to attach a "p-clip" using a m4 button head screw to strain relieve the control cable as shown in the photos

thingiverse

free

Flying Peach - 1407 by Babouch

...ir precious help and printing of the prototype https://www.thingiverse.com/microdure/about https://www.thingiverse.com/brax/about

thingiverse

free

Magnetic Split VR Gun Stock by byancey

...pairs. i also tried using single pole countersunk magnets paire with a steel contact plate, but those really do...

thingiverse

free

Extreme AP305C Bracket by sinns

...s - you may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.

thingiverse

free

Flying Peach - Microswift Evolution by Babouch

...ir precious help and printing of the prototype https://www.thingiverse.com/microdure/about https://www.thingiverse.com/brax/about

thingiverse

free

Prusa i3 Adjustable Spool Holder by Aero3D

... filament guide cutout to assist when using narrow spools. update: added a custom version of the filament guide for haribo users.

thingiverse

free

Easy Table Braces by alexberkowitz

... of play in the brace. so i recommend letting it cure fully before doing anything that might cause your table to wobble too much.

thingiverse

free

1-to-4 HDD Stackable Raspberry NAS with PSU v1 by fcerbell

...n) add an high voltage fuse add a graceful reboot/shutdown gpio push button (short/long press) redesign the hdd level with a tray

thingiverse

free

DIY Mask brace / fitter using twisted copper wire cores by FullPlasticScientist

...are no other accredited ppe options available. it is untested and not verified by certified laboratories. use at your own risk.

thingiverse

free

Huge Cheap Home CNC (#hchcnc) by Enic

...0 pcs ) abec-5 skate stroller miniature 608 zz ball bearings 608z 608 2z bearing https://www.aliexpress.com/item/*/549643998.html

thingiverse

free

Star Wars - Tie-Wing Heavy bomber "Bearsloth" Ugly - Remix by Tse_Tso

...the ball. torpedo launchers were cut in half and paire with launchers from another hull, each side of the...

thingiverse

free

Bluetooth Speaker - Quarter Wave Transmission Line by GaminGit

...-for-cctv-p-952843.html?p=49240852445016202009&custlinkid=1296652 i would love to see someone print this in a wood filament!!

thingiverse

free

Antweight Combat Spinner Bot - Shrapnel Mk1 by Fryddog

...uild of shrapnel:https://youtu.be/msqu1fzzkb8 and here's a video of him in action:https://www.youtube.com/watch?v=51fvmvtif0c

thingiverse

free

Just Another One Mostly Printed CNC (jaoMPCNC). Laser engraver cutter XY 1m x 1m x 0.5m d25 version. by Enic

...0 pcs ) abec-5 skate stroller miniature 608 zz ball bearings 608z 608 2z bearing https://www.aliexpress.com/item/*/549643998.html

cg_trader

$7

ANGRY SPACE ALIEN WARRIOR | 3D

... miniature boardgame board killteam terrain warterrain fdm resin gothicstatue alien angry tyran games toys games toys board games

grabcad

free

AirPatrol Controller Casing Design

...ixed with 4 screws removable fascia cover - depress 2x buttons to release wifi & pairing indicators to front low profile 40mm

cg_trader

$100

Pair of Vintage Braided Lucite and Brass Lamp

...e led gold glass artdeco lamptable furniture tablelamp decor lightning deco romana unwraped glass table interior design led light

grabcad

free

Quad Copter v3 (3D PRINTABLE FOLDING MICRO FPV H QUADCOPTER)

...p-x-4-esc-for-quadcopters-c-571.htm original stl http://www.hovership.com/2014/02/07/3d-printable-folding-micro-fpv-h-quadcopter/