Free Stained Glass and Mosaic Tools
Free calculators and pattern tools for stained glass and mosaic: resize patterns, work out glass, tile and grout, and estimate project cost.
Stained glass · Free tool Glass Quantity Calculator Estimate sheet-glass area from panel size and a cutting-waste allowance. 
Both crafts · Free tool Pattern Resizer Resize a single-page PDF or image and print it across Letter or A4 sheets. 
Mosaic · Free tool Grout Calculator Estimate grout weight from area, rectangular tile size, joints and product density. 
Stained glass · Free tool Project Cost Estimator Add up your own glass, consumable, framing and labour costs for a project. 
Both crafts · Free tool Glass Colour Palette Generator Choose a starter palette or extract two to four approximate glass colours from a photo. 
Both crafts · Free tool Photo to Geometric Pattern Turn a photo into a numbered rectangular colour-block pattern with tiled PDFs and SVG files.