Second Project – CAD

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Overview

I made a mechanism that can open and close a claw. It is controlled by sliding one part.

Skills

Sketching

I drew a hooked stick and two straight sticks for the grabber, slider, and connection parts.

I drew a rectangle split into three sections for the shaft.

Each part has appropriate holes of diameter 5mm.

Sketch for the Grabber Part.

Extruding

The entire mechanism will be split into three vertical 2.5mm thick layers: Shaft Floor, Lower, and Upper.

The grabber will consist of two parts: a handle, a hook. The handle will be 1 layer and the hook is 2 layers thick.

The slider is 2 layers thick, and the connector is 1 layer thick.

The shaft is made of the shaft floor, walls, and joint. The walls and joint are on the lower layer.

Extrusion of Handle and Hook for the Grabber Part.

Assembly

I connected the grabber to connectors and connectors to the slider with revolve mates.

The slider and shaft with a slider mate.

The shaft and the origin with a fasten mate.

Full Assembly

Mechanical Drawing

For each part:

Top/Bottom
Left/Right
Isometric
Appropriate Measurements

For the assembly:

Isometric

Mechanical Drawing for the Grabber Part.

Bill of Materials

https://sgs.onshape.com/documents/da92b8df7297a672c9fd55ea/w/34b0cf1f63d108998f1efccf/e/94408fd0c280806c1f893b32?renderMode=0&uiState=68e2b66bf844e7cf94edf4c9

AI Usage

I did not use AI for this assignment.

Comments

One response to “Second Project – CAD”

9 October 2025

mcrompton

Excellent work on the CAD side of this assignment, Aston! You have demonstrated all of your needed skills and did a great job of the mechanical drawing! It would be fun to see this through to see if you can get the full assembly to operate as you envision it. Each mate works properly on it’s own, but the full mechanism doesn’t work as a unit. Not a concer for the assignment, but might be fun and useful to figure out.

Can I ask that you spend a little more time on the written portion of these blog posts. Someone coming to your post for the first time, isn’t going to understand the context of it and that it is an assignment for a course that you are taking in the Fusion Cohort. Empathize with your general reader. Will they understand what you are talking about?

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