![New to polymer clay and when I try to screw holes into it post baking, it always cracks :( I have an oven thermometer and ensure it stays around 275 (sometimes 270). New to polymer clay and when I try to screw holes into it post baking, it always cracks :( I have an oven thermometer and ensure it stays around 275 (sometimes 270).](https://preview.redd.it/pxtzeaeot7351.jpg?auto=webp&s=b05bd55bf2b673c98da881bd84fda27a2355c69a)
New to polymer clay and when I try to screw holes into it post baking, it always cracks :( I have an oven thermometer and ensure it stays around 275 (sometimes 270).
![Baking Polymer Clay On Aluminum Foil - The Creative Folk | Baking polymer clay, Polymer clay diy, Baking clay Baking Polymer Clay On Aluminum Foil - The Creative Folk | Baking polymer clay, Polymer clay diy, Baking clay](https://i.pinimg.com/736x/e0/9f/07/e09f073c0a08c2932d3dc332a3ebed94.jpg)
Baking Polymer Clay On Aluminum Foil - The Creative Folk | Baking polymer clay, Polymer clay diy, Baking clay
![Polymer Clay 24 Colors Oven Bake DIY Colorful Clay Safe and Nontoxic Soft Modelling Moulding Colorful DIY Toys by Schoone, Best Gift for kids : Amazon.co.uk: Home & Kitchen Polymer Clay 24 Colors Oven Bake DIY Colorful Clay Safe and Nontoxic Soft Modelling Moulding Colorful DIY Toys by Schoone, Best Gift for kids : Amazon.co.uk: Home & Kitchen](https://m.media-amazon.com/images/I/81kwN7TxOSL.jpg)