2-1-0.5 Orange Building Block
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A basic designed to increased the plank grind system's accessibility for the wider Building Blocks project.
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- 0 / 5
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- 10
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- 45
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Other 3D Objects for Learning
- Licencja
- Creative Commons — Attribution — Noncommercial — Share Alike
I have no design or engineering experience and cannot guarantee the safety of or recommend constructing this project I call building blocks. It is designed for my nieces and nephews so that they can learn skills and test out theories while building working mechanisms. I am making this project public in hopes that a wider community can be formed and humbly ask for any feedback you would be willing to provide. Thank you.
This particular block is 1 inch wide, 0.5 inch thick and 2 inches long. There are through holes on the 1x2 faces that are centred one inch apart starting half an inch in from the closes face. Threaded holes are present on the 0.5x2 faces similarly spaced. This block can be used to tie planks together or allows for a change in hole orientation along any of the x-y-z axis.
The system of building blocks has three main components.
1) 3D printed blocks that I find are best printed using “0.15mm Quality” setting in PrusaSlicer. This produces acceptable tapped holes that will accept ¼"-20 bolts. Generic PLA is the filament that I use and it has more than met my needs. For strength purposes I use 4 perimeters and a 10% gyroid infill with 5 layers on top and bottom.
2) ¼"-20 plastic bolts and nuts from McMaster-Carr. Though any ¼"-20 bolt would work, the plastic ones from McMaster-Carr work well and are the most affordable option I could find.
3) Plywood planks that are 1 inch wide, 7/32 inch or ½ inch thick and variable lengths. Unfortunately, all the ¼ inch material options like plywood and MDF have a thickness of 7/32 inch. This is not the biggest problem as a 1/32 inch washer works “OK” when lining up parts but access to true ¼ inch material would be preferable. The planks have a 0.265 inch hole drilled on the midline starting half an inch in and spaced 1 inch apart. For every 1 inch in length, each plank would have one hole. The planks could be 3D printed however the cost in time seemed too much. A jig for drilling holes in the planks will be released as a separate project. Ripping plywood on a table saw into strips with width 127/128 inches worked well for me.
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