Cantilevered Z-Stage for Cupcake by unrepentantgeek 3d model
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Cantilevered Z-Stage for Cupcake by unrepentantgeek

Cantilevered Z-Stage for Cupcake by unrepentantgeek

by Thingiverse
Last crawled date: 3 years ago
Inspired by the cantilevered Z stages of the Thing-O-Matic and Ultimaker I designed this upgrade for the Makerbot Cupcake CNC. It should be possible to get 140mm of z travel with a standard x/y stage.
I've designed it to fit a standard reprap extruder. There's room for any extruder, the mounting holes for the makerbot extruder are just a bit too wide.
In addition to a bunch of m3 nuts and bolts you will need a few bits of new hardware: 2 x 268mm lengths of 8mm smooth rod, 3 x LM8UU linear bearings, and an M8 Coupler. You will also need to print one of http://www.thingiverse.com/thing:9622 to couple your z motor to the z rod. For the z rod I just hacked down one of my z rods to 185mm.
You also need a popsicle stick, an m3 x 30 bolt (fully threaded) and a printed z-endstop-adjuster part.
If there is sufficient interest I've been pondering making an upgrade kit available.

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