These frame can be use for making DIY bellows. You can glue the bellow right on top of the plastic.
This lens board is 3d printed, there are some marks do to the 3d printing process. The material use is PET Copolymer, 3 time stronger than ABS. It's a high quality material made in Italy with excellent mechanical property and temperature resistance. With normal use it is going to last a lifetime.
You will receive:
1x 162x162 mm front bellow frame
1x 220x220 mm rear bellow frame
For any question please contact me.