manual screen

Projection system:orthographic projection
Appearance sharps: square (quadrilateral), octagon, hexagon (use the 0.6mm Cold-Strip Steel material)
Material of screen surface: matte white, grey matte white, glass beaded, grey glass beaded
Use the enduring lubricant shaft bearings system, free and relaxed, the self-locked system can make the screen stops in any place you need.

manual screen