STEP 1. Start by drawing two simple lines that will end up looking like a cross. STEP 2. Now draw out the diamond like shape completely like you see here. Simple as that! STEP 3. Now add the lining that will give your crystal a pop out, or 3-d effect. Erase the lines and shapes you drew in step one. STEP 4. Here is what your drawing looks like when you are all done. I hope you enjoyed learning how to draw a crystal. Step 1. Step 2. Step 3. Step 4.