Week 2 - Journal

This week assignment is about fabricating an eye glasses of our design using the design software fusion 360,3D printing for arms and laser cutting the frame.

I got inspired from glasses that i own and that i particularly love so i started designing it. the requirement was such that the frame is made of plywood and the arms are made of 3D printing, but they both has to be connected by a M3 nut.

Design process:

• open fusion 360

• create components such as frame and arm

• Create a Sketch for the Front Frame. 

• creating construction line for later mirroring purpose

• Select the front plane to start your sketch.

• Use the rectangular tool, then create lines, trim the remaining and make fillet of 2mm around the rectangular where necessary to get the above shape for the lens.

• make sure always that sketch is fully defined

• for decoration purpose i drew another line in order to draw on the sides of the frame a small pentagon of 2mm radius and on the same line draw triangle using pentagon tool on fusion 360 and then rectangular pattern then trim the undesired part

• draw the hole for M3 nut with 3.2mm radius circle

• Use mirror tool by selecting the previous construction line and sketched drawing

• for bridge and nose design,i used line and then mirror it 

• Finish the sketch 

• Select the front frame profile and use the "Extrude" tool to give it thickness., extrude by 3mm and extrude cut the small pentagons.

• Apply fillets to round off sharp edges and corners.

• Sketch the Arms Profiles

• I used the line tool to outline the shape of one arm , starting from where it attaches to the frame.

• Finish the sketch and extrude the arm profile.

• All dimension for both frame and arms have been referenced from my actual glasses that inspired from and the dimensions can be found on the folder of glasses attached in bottom of the journal

• i drawed of 3 mm width and 10mm height rectangular on the arm sketch and extruded it 5mm 

• create a construction plane and i chose the distance as being the half of overall length of the frame in order to later on mirror the arm 

• use joint to join the arm and frame

• select the 3.2 mm hole of the frame to extrude cut till hole shown on the arm for the nut to fit in 

• use construction plane to mirror the arm

• use appearance to color the parts or choose the material of parts in fusion

Yes i asked for for feedback and assistance from my instructors to help me fully define my sketches and then i also contributed in defining undefined sketches of a friend.

I got stuck while placing the arms part in cura, normally to slice the model, the model has to be flat on the surface of printer inside Cura, therefore the two arms needs to be separated into two parts. So i had to do a research in google on how to split (separate) parts in Cura and found out about the mesh tools inside cura that allows you to split parts, once separated i could finally slice my model and fabricate it. Finally i would say this is one challenge that people can have during this assignment and they easily solve it by downloading the mesh tools inside cura. 

I believe  learned a lot from this week,when to use spline and when not use it,how to split parts inside cura so this will help advance in my project realization,thanks to all contributors.

I learned how to design a prototype such as glasses and fabricate it all by my self without using an open source.