Painting on cardboard is fun. What's some weird stuff you've painted on recently? : r/painting

Kids Paint Recycled Cardboard Art Project

3 Easy Ways to Paint on Cardboard - wikiHow

Easy, quick start into oil painting: Painting a unique cute bird on canvas, Julie Boehm

Matthew Wong's Life in Light and Shadow

Bit Weird Signed Print by Zeppelinmoon

Unforgettable Glass Act

40 Fun Ideas for Middle School Art Projects

3 Easy Ways to Paint on Cardboard - wikiHow

Painting on Cardboard

FOR THE LOVE OF CARDBOARD: MAKE ART, NOT TRASH – brutjournal

3 Easy Ways to Paint on Cardboard - wikiHow