FINGERINSPIRE Doors and Windows Stencil 11.8x11.8 inch Vintage Arch Stencil Plastic 6 Styles Door Window Patterns Stencil Reusable Create DIY Crafts and Decor for Painting on Wood Fabric Walls : Amazon.co.uk: Home
Wall Arch Stencil Kit, Boho Style Arch and Sun Home Decorating Stencil Kit - 39" Arch (100cm) / 14" Sun (35cm) : Amazon.co.uk: Home & Kitchen
Cathedral Arch Stencil (S695) designed by Tina Walker for StencilGirl (6 inch by 6 inch)
WALL STENCIL Boho Wall Arch Stencil Reusable Mid Century Modern Stencil Kit for Walls by Dizzy Duck - Etsy UK
Leafy Trees Arch Stencil designed by Valerie Sjodin for Stencil Girl (9 inch by 12 inch)