Thanks!
I tried directing a strong light through a small hole. It works, the shadow is sharp and big. I didn´t realize that even a spotlight sends light out at many angles, enough to blur a shadow.
Thanks again everyone for your responses.
Alejandra
new tries
Thanks everyone for your replies.
No colored fringes, just blurry, same shadow color. I tried a blue LED light. It looks better, but still a little blurry. I tried a hole in a card, but the light isn't strong enough to make much of a shadow through the hole, will get a stronger...
I am an artist. I am trying to cast a large sharp (in focus) shadow through a piece of lace onto a wall. It either turns out large and blurry if it is far from the wall, or sharp and small if it is closer to the wall. I have tried the following experiments:
1. Increased the focus and...