Make Your Own 3D Paper Wall Flowers Let's just bring the ultimate serenity to your home walls with these super cute and enchanting DIY 3D paper flowers! You are going to need some colored cardstock, scissors, an image or a template, hot glue gun, liquid glue, and decorative beads! positivelysplen 9. Letterboard 3D Flowers With Cricut. The shadows and light create a magical effect. To make this Shadow Box Paper Art project, you'll need 65 lb. white or light-colored paper. I used 12″ x 12″ white and pastel paper for the two shadow boxes in this tutorial. It's important that you use 65 lb. cardstock — regular 20 or 24 lb. paper will be too light and see-through, and.