ccm update3

docs/Computer-controlled Machining.md

@@ -43,6 +43,7 @@ Here is how the final legs look. I need to make 2 of these and put any flat boar
 
 ![](./images/ccm/final.jpg)  
 
+<div class="sketchfab-embed-wrapper"> <iframe title="Trestlelegs 15mm" frameborder="0" allowfullscreen mozallowfullscreen="true" webkitallowfullscreen="true" allow="autoplay; fullscreen; xr-spatial-tracking" xr-spatial-tracking execution-while-out-of-viewport execution-while-not-rendered web-share src="https://sketchfab.com/models/d3bdb40771c04b519edc3b9295fd026b/embed"> </iframe> <p style="font-size: 13px; font-weight: normal; margin: 5px; color: #4A4A4A;"></div>
 
 3. Nesting
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@@ -53,6 +54,7 @@ I made some changes manually to fit it all in the available sheet. Like I put tw
 
 ![](./images/ccm/nested.jpg)  
 
+<div class="sketchfab-embed-wrapper"> <iframe title="Trestlelegs 17mm Parts" frameborder="0" allowfullscreen mozallowfullscreen="true" webkitallowfullscreen="true" allow="autoplay; fullscreen; xr-spatial-tracking" xr-spatial-tracking execution-while-out-of-viewport execution-while-not-rendered web-share src="https://sketchfab.com/models/18fa9069d1d9437d8119f77e63d15e40/embed"> </iframe> <p style="font-size: 13px; font-weight: normal; margin: 5px; color: #4A4A4A;"></div>  
 
 4. CAM
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