A7: Final Project Proposal: Mexican Finger Surprise Toy

TL;DR

I will build a toy from my infancy using techniques learned and materials used during this quarter.

Backstory

Growing up in Mexico City, I somewhat remember a small toy with the shape of a box that you could slide open and be greeted with a snake moving quickly towards your finger unexpectedly.

At some point, I noticed that the box had a mechanism connected to the sliding door that would make a small snake figure rotate outwards from the box towards the place you'd put your finger to pull it. The mechanism was extremely simple -- it used a string to pull the snake outwards when the door was slid open, and inwards when closing the door.

I googled some random words, and found something pretty similar:


USE CASE

The intended use case for this box is to scare the curious individual who dares open it.

BREAKDOWN OF TASKS

Breakdown of tasks for the final assignment
Technique Component
3D Modelling + laser cutting Box sides 3D printing,
Mechanism design Mechanism/gear that raises the surprise
3D Printing Critter/surprise
Milling Internal pockets and spaces to place the mechanism

 

BILL OF MATERIALS & SOURCING SCHEDULE

Bill of materials and sourcing schedule for assignment 8
Material Sourcing status
Frosted acrylic Own (leftovers from the lamp assignment).
Filament for 3D printing Have access to it (not officially mine).

 

PLAN

Detailed plan and timeline for assignment 8
Tasks Time ETA Date start Date finish
Design box parts 4h 5/27 5/27
Design mechanism to raise surprise 2h 5/27 5/27
Cut box parts 2h 5/28 5/28
Mill box parts for sliding mechanism 2h 6/1 6/1
3D print surprise 2h (active) 5/29 5/29
3D print mechanism to raise surprise 0h (combined with above) 5/29 5/29
Assemble components 2h 6/1 6/1
Testing 1h 6/1 6/1
Re-engineer & re-fabricate parts 3h 6/2 6/2
Document project 2h 6/2 6/2

Update: Sketches and current process as of 5/29