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AutoCAD Viewports and dimensioning

This video is an AutoCAD tutorial on using Viewports and proper dimensioning techniques in the layout (paper) space. The instructor explains the difference between Model Space (where the part is drawn to size) and Paper Space (where the drawing sheet and title block reside) [09:19]. Key topics covered include: creating and locking a viewport to a specific scale [03:23], using the Viewport layer to ensure viewport boundaries don't print [07:36], and correctly placing dimensions in Model Space to maintain annotative scaling across different viewports and scales [12:19, 22:11]. The video also reviews fundamental dimensioning rules, such as avoiding dimensioning hidden lines and keeping dimensions outside the part envelope [19:03]. Video Chapters [00:00] Introduction to Layouts (Paper Space) and Model Space [00:14] Comparing A-size and B-size Layouts for Usable Space [00:58] Creating and Using a Viewport (Rectangular and Insert View methods) [03:23] Setting and Locking the Viewport Scale [04:08] Switching Between Paper Space (PS) and Model Space (MS) [06:57] Using the Viewport Layer to Prevent Borders from Printing [09:19] Why Dimensions Should be Placed in Model Space [11:47] The Role of Annotative Styles in Scaling Dimensions [12:29] Demonstrating Dimensioning within the Viewport [15:15] Modifying Dimension Text (Adding symbols like "4X") [17:41] Using Baseline and Continue Dimensioning Options [18:55] Reviewing Dimensioning Rules (Part Envelope, Hidden Lines, Views) [22:11] Viewing Annotative Dimensions Across Different Scales [26:30] Aligning Multiple Viewports for Correct Projection [32:38] Troubleshooting Center Marks on Small Circles in AutoCAD