CAD Constraints First Sketch
Use constraints and dimensions to make a sketch editable instead of fragile.
Outcome: Create a simple sketch that survives later changes.
Topic cluster
Fabrication and Materials
Measurement, fasteners, welding, fixtures, CAD constraints, shop notes, and build planning.
Measure Fastener Threads
Identify diameter, pitch, length, and head style before ordering or replacing a fastener.
Outcome: Avoid mixing similar-looking fasteners that do not actually fit.
Welding First Safety Checklist
Walk through PPE, ventilation, fire watch, material prep, and machine setup before striking an arc.
Outcome: Prepare a safe practice weld area before learning bead control.
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