Prestressed wall hook

Say goodbye to the days of just hammering screws into the wall.A simple hook using prestress technology The 3D print supports compression and the screws support tension, so it has a high load capacity for its size. ABS or PETG is recommended to ensure compressive strength. To ensure sufficient load capacity, use 3.8x50mm or larger course thread screws and tighten them more than usual. Install on a wall with sufficient strength.