4. Assume you are building with the STAR-WEAVE build style under the following conditions: layer thickness = 0.006", D₁ = 6.7 mil, Ec = 9.9 mJ/cm² (SL-5240), machine-SLA-250/50. a. Determine the cure depths Cai and Ca2 needed. b. Compute the laser scan speeds required for Cai and Ca2. c. Determine laser scan speeds required Car and Ca2 when building along an edge of the vat.