Hi Keith - welcome to HomemadeTools.net

You'll fit in well here with those interests. Try these links out for ideas:

Metalworking Tools: Homemade Metalworking Tools - HomemadeTools.net
Woodworking Tools: Homemade Woodworking Tools - HomemadeTools.net
Machining Tools: Homemade Machining Tools - HomemadeTools.net
CNC Tools: Homemade CNC Tools - HomemadeTools.net