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Simple shapes that raises your flat, freshly painted surface off the table so the paint doesn't smudge when you turn it over. Print 3 or more, scale them up in your slicer if 40mm sides are too small. The shape with the indent is easier to pick up. In fact the smooth side version is so annoying to pick up that you can use it as a gag toy or a game to see how fast you can pick them up. These are not stackable but have no preferred orientation, just throw them down where they're needed. Print 0.28mm line thickness and 15% infill, 3 lines per wall. No supports needed. I printed all 5 at the same time, took about 40 minutes Some alternatives - Dohara's Painter Triangle

• Hunter Greene's Simple Painters Cone
• TravockMD's Spray paint help pyramid
• JCVB's Lightweight, stackable painter's pyramid
• Albert_A2S Paint Cone
• Mothdotmonster's Minimalist painter's pyramid
• • wolffshaut's Painter's Pyramid Painting Stand