Discovery Zone @ Your Library Angus Branch BambuLabs P2S 3D printer: $1.00 per use + $0.10 per gram of the final product.2.5 inch pin-back buttons: $2.00 each. Download the button making template here.Craft and Hobby kits you can enjoy in-house or take home and create. In-house colouring for all ages. Thornton Branch PRUSA M4 3D printing: $1.00 per use + $0.10 per gram of the final product.1.5 inch pin-back buttons, keychains, or magnets: $1.00 each. Download the button making template here.