Geoboard
thingiverse
Here's a thing designed specifically for this task. It's a Customized version of http://www.thingiverse.com/thing:182621. I made it with the Customizer tool from Thingiverse, available at http://www.thingiverse.com/apps/customizer/run?thing_id=182621. To Use This Thing: These Are Your Instructions. Use The Following Settings: Base Size Is 150 Thickness Of Base Is 3 Step Percentage Is 15% Thickness Of Pegs Is 3 Height Of Pegs Is 20 Number Of Pegs On X Axis Is 5 Width Of Steps Is 0 Number Of Pegs On Y Axis Is 5
With this file you will be able to print Geoboard with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Geoboard.