Uploading an image and converting it to 3D.How to convert a 2D image to 3D for printing in 3D In the right sidebar, choose one of the 3D doodle options: sharp edge or soft edge.Click the three dimensional box icon in the drop-down to select 3D shapes.Click the paintbrush icon in the to menu to reveal a dropdown with more options.Open Paint 3D and start a new document.Click and drag the tool to paint with the copied pixels. Go to the area of the image when you want to paint with the pixels. Go to the area of the image you want to copy from. Select the Clone Stamp tool from the Tool Bar. How to Draw a 3D Box in Paint : Drawing Tips How do I make the background transparent in Paint 3D?īelow are some things to consider when trying to figure out can you draw a 2d rectangle in microsoft paint 3d.