Wish the site was in English. Use a sponge to soak up concrete mix in whatever shape you desire and let it harden into a hardened version of what you just cut out.--- great idea for a base for my mosaic garden projects!
Best DIY Projects: Become self-reliant! Instead of spending lots of money on pesticide laden, genetically modified veggies you can grow your own. The taste (and nutrition) of home grown food is far superior to the grocery store variety and your cost is al