Corocotta_S

This is the small version of our Corocotta series of open source 3D printers.

Effective printing volume: 200mm x 200mm x 200mm

License: CC-BY-SA :

BY: Licensees may copy, distribute, display and perform the work and make derivative works and remixes based on it only if they give the author or licensor the credits (attribution) in the manner specified by these.

SA: Licensees may distribute derivative works only under a license identical (“not more restrictive”) to the license that governs the original work. (See also copyleft.) Without share-alike, derivative works might be sublicensed with compatible but more restrictive license clauses, e.g. CC BY to CC BY-NC.)

First, 3D print all the pieces (all CAD source files are here):

Ask your favorite shop the cutting of these MD (Medium Density) 10mm thick plates. The dimensions are in mm.

Cut by yourself the oblique lines of the side plates.

Place the plates with adhesive
drill 2mm holes (3mm for the front plate)
Screws 3mm x30mm
6 screws
mark the holes to fix the 4 corners
Drill the 7mm holes of the corners

Tap them to M8
tap also the other side
Drill 4mm holes
fix the corners with M5x25mm screws
drill 2,5mm holes
Drill 3,2mm holes at the upper side

Tap the 2,5mm hole with M3

Place the 8 M3x15 screws
Now it’s time to make the aluminium head plate (3mm thick)
cut the 48x70mm plate
mark the holes positions
Drill the 3,2mm holes
Place the X sliders, bearing and wash with M8x50 screws
Cut the four 8mm diameter rods. Lengths 400mm and 337mm
Clean the belt holder and check.
Mount on the slider and the belt holder on the head plate
The XY system mounted
Let’s mount the Z system.
cut 2 smooth 8mm diameter bars of 365mm lenght
and clean again if necessary with a metal file until the bar gets in
Cut the wood 10mm thick back plate used for the Z system. Cut 1 unit.
First screw a first bar a vertical as possible (drill at 5mm and use M6x20 screws)
cut and paint the plates
Drill 5mm holes and mount the pieces. Start with the 4 linear bearings holders. Screw them partially to absorb the mounting errors. Then mount the second bar. Move it up and down to find its place. Then at the end tighten all the screws.

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