This is an old puzzle that I remember being super frustrated with when I was younger. I tried looking for it online, but could not even find any refer...ence to it anywhere. Same with thingiverse... so here it is.
Every piece is identical, so you can mix and match colors, and build them into a chain. Some pretty neat structures are possible. I am currently printing some more and will update the photos with some chained together.
The STL has one set of pieces. You will need to print three sets to complete one cube. Pieces are simple and easy to print. Everything locks together when the last piece is put in place. No glue required!
Thanks to Brandon12321 for reminding me this puzzle existed! His cube chain design sent me down memory lane: https://www.thingiverse.com/thing:2430357
3d model print parameters
Printer brand:
Prusa
Printer:
Prusa Mk2
Rafts:
Yes
Supports:
Doesn't Matter
Resolution:
0.30mm
Infill:
20%
Notes:
Brim/Suppor...t ------------------ Overhangs arent bad. This probably prints better without supports. Less cleanup afterwards. Brim is highly recommended because the footprint of each piece is actually very small. I used 4mm and it held on nicely. Material ----------- I printed this in PETG. It flexes a bit more than PLA, so it makes assembly a bit easier. I may try a PLA version in the near future, or maybe somebody can try for me and post results. Resolution --------------- The model you see in the photos was printed at 0.30mm for a good mix of accuracy and speed.
Post-Printing
Assembly ------------- If there are enough requests, I may post a how to assemble video here... but try to figure it out on your own first?
How I Designed This
Not that the design was difficult, but this was designed from scratch in Tinkercad from my childhood memories. The tolerances are still being ironed out. The semi-circle cutouts in the middle have to be the right size so that it's reasonably easy to put together, but still has small enough clearance to have a good pressure fit so that the assembled cube holds itself together well. There is a very good chance that this is much bigger than the original toy (if anybody still has one!) since I was definitely smaller when I was playing with it.