Retired aerospace engineer. Author of many books on computers, electronics and microprocessors.http://www.willemvd.nl
Craftbot+, Printrbot Simple, Wanhao i3
Design Programs: OpenSCAD
Say thanks and help WillemvD continue
to share amazing Things with the Thingiverse community.
You'll need a PayPal account to tip WillemvD.
Click the button below and you will be redirected to PayPal.
Once the payment is complete, you'll be brought back to Thingiverse.