Robuta

https://repository.gatech.edu/entities/publication/cd3ddec0-dd3f-4227-bf21-8256efa00dde Surface roughness and draft angle effects on stereolithography molds surface roughnessdraft angleeffectsstereolithographymolds https://patents.google.com/patent/CN208755385U/en CN208755385U - A kind of adjustable-angle Art Design draft holder - Google Patents The utility model discloses a kind of adjustable-angle Art Design draft holders, including drawing boards, support frame and pedestal, the top of support frame... kind ofadjustable angle