Objectives For This Project:
Understand the processes involved in 3D printing
Demonstrate fluency, proficiency and safety when using the Prussa 3D printers in the FabLab
Hone 3D drawing skills in Tinkercad and Fusion 360
Explore the "world" of Thingiverse
Design two familiar objects for 3D printing
Thoroughly document the engineering design process from start to finish
Warmup: Converting STL mesh to a Solid Body:
↪ Original Thingiverse image
Add mesh file from library
Set Unit and Position for parts
Go to mesh>> Prepare>> Generate Face Groups
Select Mesh>> Modify>> Convert Mesh
Select Mesh>> Select Parametric as Operation>> Select Prismatic as Method>> Click OK
The solid model is able to be edited
↪ Modified Thingiverse image
↪ Final modified solid
↪ STL mesh
Problems I encountered during the Warmup:
The problem I faced during the warmup was related to the file I chose to modify. When I tried to generate face groups from it, the object had more than 5 thousand faces, which was too many. After clicking the information icon, a pop out (as shown to the right) explained the problem and a solution to it. Instead of using Accurate generation, it advised me to use the Fast generation.
The innovative use of 3D printing technology in veterinary surgery in Sheba's case details the effective collaboration between experts of different fields. It also demonstrates the potential for 3D printing to revolutionize the accuracy of surgical procedures and improve medicine for both animals and humans.
The success of Sheba's surgery underscores the significance of combining the skills of veterinarians, engineers, and experts in 3D printing technology. The article highlights the dedication and determination of the team, which had to overcome various challenges, including time constraints and tumor growth, to redesign the surgical guide and implant. Such a multidisciplinary approach offers new hope for the treatment of complex medical cases.
Lego: Process of Design
↪ Sketch of the base of the lego (in mm)
↪ Extruded sketch to become 3D
↪ Extruded a circle to make the stud of the Lego
↪ Duplicated circles using the Rectangular Pattern tool
↪ Hollowed out bottom using the Shell tool
↪ Extruded a 2D torus to create the tube of the Lego
↪ Duplicated tubes using the Rectangular Pattern tool
↪ Stud edges smoothed using the Fillet tool
↪ Tube edges smoothed using the Fillet tool
↪ Finished design of the Lego brick
↪ Last name embossed using Create Sketch-> Text and a negative Extrude dimension (-0.7 mm)
Book Holder: Process of Design
↪ Sketch of the Book Holder (in mm)
↪ Extruded sketch to become 3D
↪ Rounded edges using the Fillet tool
↪ Engraved name using -0.7 as the Extrude Dimension
↪ Final deisgn of Book Holder
Workflow for Prussia 3D printers:
Change the format so that its compatible with the 3D printer
TinkerCad/ Fusion 360 Format -> STL Format
Under Export in TinkerCad, there should be options for 3D print: .OBJ, .STL, and GLTF (.glb)
STL Format -> GCode (what the 3D printer can read)
Using the PrusaSlicer 2.0
Import the STL file
Choose the Printer
Choose the Filament
Under Print Settings, you can choose the quality (the higher the quality the slower the print)
GCode -> 3D Print
Click Export G-code
Save the .gcode to the desktop
Open the Client server document found in EnjProj
Click the link connected to the printer you want to use
If you have to log in, the username is : .\engineering and the password is: Fablab19
Click the Upload button
Select the file you want to open
Make sure nothing is on your 3D printer (clean with alcohol if needed)
Begin printing!
Screenshots of the Conversion Process:
↪ 1.1 Fusion 360 Format -> STL Format
↪ 1.2 STL Format -> GCode
↪ 1.3 GCode -> 3D Print
↪ Book Holder in use (ft. Tess' finger and Ellie's book)
Final Product
↪ Timelapse video of my 3D printing
Problems I Encountered:
I only encountered a few minor problems in my Fusion360 designing process. In the process of designing my Lego, I encountered some malfunctions with the design. Some of the tools I was trying to use did not work as shown in the video, so I assumed it was because of a mistake carried on. I restarted my Lego design and the tools worked that time around. Similarly for the book holder, I had trouble engraving my name. When I tried selecting the text in Extrude, it did not show up as dark blue and thus I could not extrude it. I had to undo to a few steps before I tried creating text and rework them. Likewise, that approach was once more effective.
Differences Between the Digital and Final Product:
The plane with my name engraved is not as smooth in the final printed product as it is in my design
The backside plane is not as smooth in the final printed product as it is in my design
My printed design has a side that is not as flat as the correlating side on my digital design