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Week 3 - Computer Controlled Cutting : Local Session#

  • Authors: Kai Naito, Georg Tremmel, Yosuke Tsuchiya
  • Created: 1/30/2020, Last Update: 2/6/2025

Agendas#

  • Review of the Class
  • Assignments
  • Group Works Procedures
  • Schedule Confirmation
  • Individual Assignment
  • Nueval

Assignments & Goal#

Group assignment#

  • do your lab’s safety training
  • characterize your lasercutter’s focus, power, speed, rate, kerf, joint clearance and types

Individual assignments#

  • Cut something on the vinylcutter
  • Design, lasercut, and document a parametric press-fit construction kit,
    • accounting for the lasercutter kerf,
    • which can be assembled in multiple ways,
    • and for extra credit include elements that aren’t flat

Refer to Assessment page


Group assignment guidline#

Kamakura Lab Repo 2025 - still empty. We will setupt it with MkDocs

Kamakura Lab Site 2025

  • Each lab should have at least 1 group assignment documentation (and show all student participated).
  • IMPORTANT : Cite each week’s group assginment page in your individual Weekly Assignment Page.
    【超重要】各々個人ページからグループページへのリンクをはること!

How to collaborate on same project on Gitlab#

  • Method 1: Commit directly to the main branch
    Same process as you upload your indivisual documentation.
    Always make sure to pull remote and get the latest version before you edit.
    You will encounter conflict if you edit the same line at the same time.

個人ページを更新するときと同じ手順です。編集する前に必ずPullしてください。同時に同じファイルの同じ行を編集するとコンフリクトが発生するの注意してください。


Group assignment#

Check parameter, kerf width (spot diameter), precision and limitation of the laser-cutter in our lab.

Challenge

Make a Parametric Kerf Check Parts Generator in GRAM!


Individual Assignments#

  • Press-fit construction kit

Fusion 360#

OpenSCAD#

FreeCAD#

Rico’s FreeCAD Tutorial on Parametric Design:#

via Rico

  1. Rough out a shape with a polyline drawing tool
  2. Apply constraints on the model to make it the actual shape you want
  3. Make Parameters
  4. Apply Parameters to the shape to make it fully-adjustable
  5. Extrude the 2D shape
  6. Apply Chamfers
  7. Export DXF file for cutting

Vinyl cutting#


Nueval#

The Evaluation Process (“Nueval”) is now active. Go to https://nueval.fabacademy.org/, and log in with your FabClout account.

The evaluation process:

  1. Students completes Weekly Assignment
  2. Students checks Checkboxes at Nueaval to indicate that the Local Evaluator can start.
  3. Local Evalutor evaluates and gives feedback.
  4. If the Local Evalutor suggests improvements, GOTO 1.
  5. If the Local Evaluation is at 100%, if will be handed off to an anoymous Global Evaluator
  6. Global Evaluator evaluates and gives feedback.
  7. If the Global Evalutor suggests improvements, GOTO 1.
  8. If all your Documentation is at 100% you have finished FabAcademy! Congratulations!
  9. Well, not quite. You still need to present in front of Neil and your Peers.

Overall Progress of Nueval.

.

Weekly Checklists. These lists correspond to the [Assessment Criteria](http://fabacademy.org/2023/nueval/).