slides updated with demo of laser cutting errors

slides/laser-cutting.html

@@ -56,14 +56,17 @@ Need to post *both of these* on Ed by Friday for approval
 .footnote[If do-able and you need to be re-evaluated, you may *additionally* use automated testing and generate more UARs]
 
 ---
-# Next Assignment (3/30
+# Next Assignment (3/3)
 6) Write a 1 page document describing what you did (please see the assignment for details on what is required
 
 7) Make sure it is accessible, and not a PDF, and then submit it
 
 ---
-# Announcements
-- so far I have none
+[//]: # (Outline Slide)
+# Learning Goals for today
+- Introducing your next assignment
+- **Brief introduction to Laser Cutting**
+- Actually preparing an item to laser cut
 
 ---
 # Some key things to know about Laser Cutting
@@ -104,16 +107,41 @@ First create a design in TinkerCAD (or other CAD software if you know it well)
 - Re-export *with images emedded* if you add them   
 
 ---
-# Other software optinos
 
-[Adobe Illustrator](https://www.adobe.com/products/illustrator.html). Best for most tasks if you have it
+# Your process
 
-[AutoCAD](https://www.autodesk.com/products/autocad/overview?term=1-YEAR&tab=subscription) (free for students). Probably overkill
+.left-column50[
+Measure thrice
+
+Make an svg
+
+Print it on paper
+
+Cut it out and check your measurements AGAIN
+]
+.right-column50[
+Decorate
+]
+
+---
+# Example: My bag holder
+
+![:img Screenshot of a bagholder in tinkercad titled Mankoff Bag Hanger - V1, 30%, width](img/3dprinting/bagholder-tinkercad.png)
+
+
+---
+# First print: On Paper
+
+![:img Initial design printed on paper is about the size of a single finger, 30%, width](img/3dprinting/tiny.jpg)
 
-[Inkscape](https://www.autodesk.com/products/autocad/overview?term=1-YEAR&tab=subscription) (free). Best free option
 
 ---
-# Essential Measurements
+# Measuring
+
+![:img Calipers stretch the width of four fingers and show a measurement of about 76mm , 30%, width](img/3dprinting/measuring.jpg)
+
+---
+# Other Important Measurements
 
 The amount of wood removed by the laser cutter as it burns through the wood.
 
@@ -126,23 +154,28 @@ Only an issue if you're making a box or something else that has to assemble
 Use calipers to measure! 
 
 ---
+# Reprinted on paper
 
-# Your process
+Reason? I used 76mm for the *outer* dimension instead of the *inner* one!
+![:img Another print on paper is still too small, 30%, width](img/3dprinting/measurement-error.jpg)
 
-.left-column50[
-Measure thrice
+---
+# Final print
 
-Make an svg
+Do you see the problem with this design?<BR>
+![:img A laser cut bag holder big enough for a hand!, 30%, width](img/3dprinting/first-print.jpg)
 
-Print it on paper
-
-Cut it out and check your measurements AGAIN
-]
-.right-column50[
-Decorate
-]
 
 
 ---
 # The End!
 
+---
+# Other software options
+
+[Adobe Illustrator](https://www.adobe.com/products/illustrator.html). Best for most tasks if you have it
+
+[AutoCAD](https://www.autodesk.com/products/autocad/overview?term=1-YEAR&tab=subscription) (free for students). Probably overkill
+
+[Inkscape](https://www.autodesk.com/products/autocad/overview?term=1-YEAR&tab=subscription) (free). Best free option
+