fab step one complete, doc arriving

README.md

@@ -25,29 +25,24 @@ DEX runs a [squidworks](https://gitlab.cba.mit.edu/squidworks/squidworks) contro
 
 ## Building a Displacement Exercise
 
-#### Hardware TODOs:
-- temp. 3DP for N23-backside mount (w/ old circuits)
-- bring fixturing here
-- make queue of prints, tomorrow is JS servers + vfpt, next day is final build (route, etc)  
-- to close doc:
+#### Hardware Documenting TODO
 - BOM, McMaster
-- this list of bits (incl fixturing), then fusion -> repo
-- done 4 now, cut long tail  
-- print:
-- 5x new idlers (w/ improved bearing seat distance)
-- fixturing,
-- n23 mount
-- desktop psu (pdbs hello?)
+- CAD shuffle and export
+
+#### P1 Assembly
+- fixturing, doc and print
+- idler and 125t drive at hearth
+- N23 backside mount
 
 ### BOM
 
 | Part | Spec | Count | Notes | PN / Link | Cost |
 | --- | --- | ---: | --- | ---: | ---: |
-| Delrin (Acetal) Cast Sheet | 24x18", 0.25" Thick | 1 | Advise to buy two in case of mistakes | x | x |
-| PLA 'Tough' | x | ~ 300g | Many 3DP Mechanical Bits | x | x |
-| 625ZZ Bearings | 5x16x5mm Deep Groove Roller Bearings | 24 | x | 625ZZ [VXB](https://www.vxb.com/20-625ZZ-Shielded-5mm-Bore-Diameter-Miniature-p/625zz20.htm) | $40 |
+| Delrin (Acetal) Cast Sheet | 24x12", 0.25" Thick | 2 | - | [McMaster 8573k35](https://www.mcmaster.com/8573k35) | $101.00 |
+| PLA 'Tough' | x | ~ 300g | Many 3DP Mechanical Bits | x | $52.00 |
+| 625ZZ Bearings | 5x16x5mm Deep Groove Roller Bearings | 24 | x | 625ZZ [VXB](https://www.vxb.com/20-625ZZ-Shielded-5mm-Bore-Diameter-Miniature-p/625zz20.htm) | $50.00 |
 | Bearing Shims | - | - | - | - | - |
-| Carriage Shoulders | - | (12) | - | - | - |
+| Carriage Shoulders | - | 12 | - | - | - |
 | Idler Shoulders | - | 5 | - | - | - |
 | Reduction Shoulder | - | 1 | - | - | - |
 | Feet | - | 3 | - | - | - |
@@ -66,7 +61,7 @@ DEX runs a [squidworks](https://gitlab.cba.mit.edu/squidworks/squidworks) contro
 | SHCS | M3x45 | 8 | Pinning the 'squat' together | x | - | - |
 | FHCS | M3x10 | x | Pinning blisters to faces, flush up and countersink | x | - | - |
 | FHCS | M3x25 | ? | - | - | - |
-| Dowel | 5x8mm | ? | - | - | - |
+| Dowel | 5x8mm | 10 | - | [McMaster 91585A506](https://www.mcmaster.com/91585a506) | $8.40 |
 | Feet | - | - | - | - | - |
 | Loadcell(s) | - | - | - | - | - |