9 modeli
I recently watched a video of Japanese school kids using their Soroban to calculate at incredible speed; apparently it also helps with learning to do very fast mental calculation. I was impressed, and wanted to try and learn that – after…
This abacus (frame and beads) are all printed together in place. Overall dimensions are: 186mm x 90mm x 10mm. For a simple 2-color design, load the STL file and program a filament change to print the frame decorations and tops of the…
This is a configurable soroban / abacus. You can configure/customize it using the free CAD program OpenSCAD. It prints in one go without any supports. Note that it has to be turned around after printing for use (the feet will stick…
The soroban ( 算盤? ) is a Japanese abacus . Derived from suanpan , it was introduced to Japan in the 16th century . On each row are five grains. The lower four have the value of units, while the upper one is equivalent to 5. This design…
This is a Soroban Abacus, an abacus that is widely used for accurate decimal calculations. To assemble this, please print both parts with the hinge facing upwards , and turn off supports, as they are generally not needed. In order to add…
It's an abacus that's customizable. The bars can be smooth or have small ridges. Customize it anyway you want. It can go from a 1x4 all the way to a 2x5. The bars are locked in by (9) M3x6 Allen hex screws. Notes: Supports are needed for…
A template to draw Soroban lessons.
I like using a Soroban for calculations and wanted to have one with me when I go shopping. So I needed a small model that would allow me to maintain the configuration while walking. Simply press the button to release the moving parts and…
