Projection system£ºorthographic projectionAppearance 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 beadedUse the enduring lubricant shaft bearings system, free and relaxed, the self-locked system can make the screen stops in any place you need.Note: Size can be processing upon request
Diagonal
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