Y-Rod Holders compatible with 3030 Misumi aluminium frame I3 clones, Haribo/Zaribo specific.
Designed for 8mm smooth rods. Allows the use of slightly different length of the smooth rods than the stock ones (360mm)
Replaces zip ties that constrain the rods, which have some flexibility in them and can result in the smooth rods flexing when the bed has some weight on it. The clamp helps with better constraining the rods while also being adjustable, so one can fine tune it better than a zip tie.
This is a revised version of the previous design. The Y-Rod Holders (v3) are now more compact, easier to print and assemble, while keeping the same functionality as before.
Changes from the previous version:
Uses one less M6 screw (and T-nut), which also makes adjusting the holders position a lot easier, without the need to remove the smooth rods to access the third screw. Replaced by x2 M3 screws, to evenly clamp the smooth rods.
The 3D models were optimized for 0.2mm layer height printing, to be easier to print and to have less post processing required before assembly.
- Edits in geometry to make it more compact and use less material.
Version of the Y-RodHolder-Base compatible with 3030 frames with 6.2mm gap can be found here Still to be tested
Note that you will need x4 of each part for the full assembly
STEP files are included for your modding pleasure and convenience. STL files were sliced and checked with Slic3r PE. Any constructive feedback is welcomed.
0.2mm (highly recommended)
Printed with PETG, 0.4mm nozzle, 4 perimeters, 30% infill, 5 bottom and top layers. Perimeters can be safely reduced to 3 if you desire to reduce some weight.
Only the Y-RodHolder-Base needs supports.
To save some time from removing unwanted automatically generated supports, I suggest using low overhang threshold in the support settings.
I used 10° Overhang Threshold , 0.1mm Contact Z distance, support on build plate only. This should generate supports only at the parts that need it. They should look something like in this picture.
Depending on how well the supports print, there might be a need to slightly clean up (scrape) the surfaces affected.
Tip, you can use the 3030 aluminum extrusion to do this. Just slide in the part and use the sharp corner to cut any excess material. ONLY try to scrape if the part doesn't fit correctly or has problems sliding along the frame.
Make sure to orient the parts the correct way. The cap has an arrow that should be pointing towards the print bed.
Tighten the M3 screws equally when clamping the rods. Don't over do it, they only need slight pressure.
(03/05/2019) Added a version of the Y-RodHolder-Base compatible with 3030 frames with 6.2mm gap.
In no particular order I would like to mention the sources of the designs I got inspired from, or people who helped me in one way or another with the design. Thank you all.
Piotr Karkovski - inspired by his design