第四课 相机后壳细节.pptVIP

第四課 相機後殼細節  ( Details of the back casing ) 【L4_s0】 1.《Open File》: camera_L4.wire. 【L4_s0-1】 3.《Square》[ Boundary Countary: Tangent to all ; Rebuild On to all ] 【L4_s1-3】 4.《Insert》a V-isoparam at parameter 0.1. 【L4_s1-4】 5. Adjust the surface by moving the marked CVs along “-Y” to make the surface cave in slightly. 【L4_s1-5】 6. Toggle the template curve to pickable state and project it to the new surface in the front view. 【L4_s1-6】 7. Trim the new surface. 【L4_s1-7】 8. Change working layer to the Thumble 2 layer. 9. Delete 3 from 4 CrvOnSrfs on the “Back main” surface. 【L4_s1-9】 10. Toggle template the new surface. 【L4_s1-10】 11.《Project》2 curves to the “Back main” surface in the front view. 【L4_s1-11】 12.《Trim》the “Back main” surface then delete the inner CrvOnSrf. 【L4_s1-12】 13. Toggle the new surface from template to pickable state. 14. Draw a《New curve》in edit point mode .[ Knot Spacing: Uniform ] 【L4_s1-14】 15.《Insert》a edit point at parameter 0.2. 【L4_s1-15】 16.《Project tangent》.Set “ tangent” to left end and “curvature” to right end. 【L4_s1-16a】【L4_s1-16b】 17.《Birail》 【L4_s1-17】 18. Pick the two new surfaces and assign them to the Back casing layer. 【L4_s1-18】 19.《Delete construction history》of the “Birail” surface. Step2: 觀景窗 ( View Finder ) 1. Change working layer to the Finder layer. 【L4_s2-1】 2. Use《Skin》to build 5 surfaces. 【L4_s2-2】 3.《Intersect》the them with the “Back main” surface. 【L4_s2-3】 4.《Trim》 (Step2: 觀景窗 ) 5.《Round》. Set profile radius and toggle extend 4 corner edges. 【L4_s2-5】 6. Repair the corner breakages. Untrim the “Back main” surface, cleaning the rectangular figure CrvOnSrf then teim back. 【L4_s2-6a】 【L4_s2-6b】 (Step2: 觀景窗 ) 7. Toggle the template curve to become pickable. 【L4_s2-7】