These tools are on the cutting edge: Computer controlled machines that make what you tell them. Digital files become physical objects.
Use these tools to hold stuff together while you do something to it. Very helpful.
These are the 'soft' tools used to work with fabric, hot glue, and other crafty materials.
Use these to cut whatever material you're working with. From the humble scissors to radial saws, this is where its at.
These are special tools just for working with electronics. Testing, assembly, and other forms of awesomeness.
Still nothing better than a solid hammer and finely crafted screwdriver. Keep it analog.
Keep your designs tight by measuring often. Making sure angles, lengths, diameters, and distances are correct is good!
When you want to freedom of hand tools with the advantages of electricity and mechanics, grab a power tool!