rearrange

UrumbotXYZ/fixed_axis/README.md

-## Integrated XYZ machine
+## Integrated XYZ machine with fixed short z-axis.
 
-### Mar 11, 2022.  
+### Mar 23-25, 2022.  
 
-Build frame for slightly smaller machine designed to mill in a 150x150x50 mm volume.
+Turn frame upside down, add supports, and suspend the z-axis above the moving xy table.
 
+<img src=./img/fixed_z_assembled.jpg width=40%>
 
-<img src=./img/xyz_frame.jpg width=40%>
+Below is a video demonstrating 3D motion from g-code.
 
-###  Mar 14-20, 2022.
+<img src=./img/xyz.cmp.mp4 width=100%><br>
 
-Assemble and tweak tension to try milling.
 
-<img src=./img/z_axis.jpg width=40%>
 
-<img src=./img/assembled.jpg width=40%>
-
-<img src=./img/integrated.jpg width=40%>