Summary This is 3d model of hot bed (with 300x300mm print area) for Simplify3d software. Below I will show, how to set your own 3d model of your printer bed. Update: new 300x200mm model of bed as you asked (; Simplify3d settings Open menu 'Tools' > 'Options' In tab 'Machine' click to 'Add' button Done! Before you click 'OK' button, you can set your custom color of bed model in viewport. Now, you can see how it will on your printer bed (;