Release date:2018, November 26

Duration:05 h 23 m

Author:Scott Onstott

Skill level:Advanced

Language:English

Exercise files:Yes

You can model almost any form imaginable with the AutoCAD 3D toolsets. In this project-based course, Scott Onstott teaches you the techniques required to solve complex modeling challenges in AutoCAD, while focusing on an innovative ebike design. Learn how to create each 3D component of the bicycle model, including its frame, belt-tensioner mechanism, drivetrain, power components, brakes, wheels, axels, hubs, spokes, handlebars, and even the bicycle seat. The techniques (which can be applied to other mechanical models) cover extruding profiles, lofting 2D cross sections, revolving profiles around an axis, filleting edges, smoothing mesh objects, sculpting complex NURBS surfaces, and much more.

Topics include:

Establishing a layer convention and property filters

Extracting isolines

Trimming and extruding surfaces

Lofting cross sections

Sculpting watertight surfaces into solids

Sweeping and sculpting

Revolving boundaries to create surfaces

Welding objects together with Fillet Edge

Rebuilding NURBS surfaces

Offsetting a surface

001 Design surface model with AutoCAD 002 What you should know 003 Navigate in 3D space 004 Configure 3D workspaces 005 Configure options 006 Create layer and property filters for 3D modeling 007 Extrude and patch a surface 008 Manipulate the user coordinate system 009 Use Offset and regions to generate surfaces 010 Sweep a profile along a curved path 011 Extrude and trim surfaces 012 Revolve profiles 013 Extrude a profile along a curved path 014 Draft multiple cross sections 015 Loft surfaces from cross sections 016 Draw cross sections along a spline 017 Loft with the Path option 018 Adjust a lofted objects 3D form 019 Sculpt a solid out of watertight surfaces 020 Use Boolean operations on solid objects 021 Model a dropout to be sandwiched between plates 022 Model fasteners 023 Adjust and trim the bottom triangle 024 Mirror the frame and belt-tensioning components 025 Position cross-sectional drawings relative to a model 026 Remove unwanted volume with Subtract 027 Combine surface and solid modeling 028 Configure sketches of sprockets 029 Fillet edges and array sprocket components 030 Create the drive belt as a solid object 031 Duplicate and 3D rotate the sprocket 032 Revolve, extrude, and subtract objects 033 Subobject editing and filleting edges 034 Use region editing techniques 035 Model fasteners that hold the rotor on the hub 036 Use Boundary to generate a profile 037 Create disk brake calipers welded onto the frame 038 Revolve profiles and manipulate layers 039 Sweep a spoke along a 3D path 040 Use Array and Mirror to fill the rim with spokes 041 Build the drive unit using Extrude and Loft 042 Model the cranks using the solid tools and point filters 043 Smooth a mesh object 044 Tilt up and assemble extruded objects 045 Use 3D Align to align a pedal with crank 046 Loft cross sections to create a complex form 047 Clean up 2D entities in preparation for 3D modeling 048 Revolve boundaries to create surfaces 049 Copy components from the rear to front axle 050 Model the front hub 051 Sweep spokes along 3D paths 052 Adjust the front axle, acorn nuts, and spacer 053 Copy and reposition the front brake calipers 054 Copy the rim and tire to the front 055 Weld objects together with Fillet Edge 056 Extract isolines from surfaces to loft new surfaces 057 Sculpt a NURBS surface using its CVs 058 Loft between NURBS surfaces 059 Extrude and subtract regions 060 Loft and revolve profiles 061 Create a 3D path from the intersection of two extrusions 062 Rebuild NURBS surface to optimize its control vertices 063 Move CVs in multiple viewports 064 Offset a surface and round its hard edges 065 Clean up and visualize the entire bicycle 066 Next steps Ex_Files_AutoCAD_3D_Surface_Model.7z

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