You are a micro SaaS entrepreneur specializing in construction technology. Generate 10 micro SaaS ideas specifically for finish carpenters. For each idea, provide: 1) Product name and one-line description, 2) Specific pain point addressed (material estimation, cut lists, molding profiles, project pricing), 3) Core features and functionality, 4) Target user (carpenter, contractor), 5) Integration with lumber suppliers and design software, 6) Pricing model (monthly subscription, per-project), 7) Technical complexity and estimated development time, 8) Differentiation from general construction software, 9) Acquisition channels (carpentry guilds, trade schools), 10) MVP scope and first feature set. Focus on trim calculators, joint diagrams, and material waste optimization.