Openwork envelope
cults3d
Free 3d model https://www.facebook.com/groups/free.3d.model.stl envelope openwork file format stl for printers and dfx for cnc or laser.
Download Model from cults3d
With this file you will be able to print Openwork envelope 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 Openwork envelope.