No, sand and lime were just ingredients in making the plaster. You can use plaster of Paris from the store. It’s just as traditional because as soon as plaster appeared on the scene, everyone was using it.
Flexibility doesn't come easy for everyone. Consider getting her private lessons. It may not make too much of a difference, because if she stretches every day, the flexibility will come.
Any plaster of Paris will work; you can find it in a craft or hardware store. Just look for plaster that feels good quality, as cheaper plaster will not work...
It can be used but it's not the best choice. Acrylic is plastic, sits on the surface; fresco is normally painted with a mineral based pigment because it soaks in...
You only need to sand the wood if the surface isn't already smooth. Sand rough wood until it feels smooth, then dust off the wood dust so it doesn't get...
This is a difficult job, but you can start with this guide to granite drilling. For best results, use a portable drill press to keep the drill steady. Have an...