How to Design a Door Slam Lock using 3D CAD Software
Designing everyday objects can be a lot of fun, especially when you have the right tools. In this project, I’ll be showing how to design a door slam lock using SelfCAD, an online 3D modeling program that’s simple to use even for beginners. SelfCAD lets you build and shape objects right in your web browser, so it’s perfect for quick design projects without needing to install heavy software. In this article, I’ll walk through how the door slam lock was created step by step, from the basic shapes to the final model. By the end, you’ll see how easy it can be to bring an idea to life with a bit of creativity and the right digital tools
To access the interactive tutorial to this article, check out; https://www.selfcad.com/tutorials/4a312i4o3l2s5b4x6t6y5r473405y86b1d2c
Once you’ve launched the editor;
From the 3D Shapes category on the toolbar choose cube; Set width to 300, height to 2.
Tick the checkmark finalize cube
Click to activate edge selection; Click on highlighted region to select it
From the modify category on the toolbar choose fillet; Set level to 10.
Tick the checkmark to finalize fillet
From the drawing category on the toolbar choose 3D Sketch; Set symmetry to true, symmetry axis to z
Click on highlighted point to draw edge
Type in 130 value into the length measurement, 180 value into the angle measurement
Click on highlighted point to draw edge
Click ‘x’ to close 3D Sketch
From the modify category on the toolbar choose fillet; Set level to 3.
Tick the checkmark to finalize fillet
From the drawing category on the toolbar choose 3D Sketch; Click on profile 1 to deselect, Set symmetry to false, From the tool panel choose circle, Click on highlighted point to draw circle
Type in 3 value into the radius measurement, Click on highlighted point to draw circle
Click ‘x’ to close 3D Sketch
Click on profile 1 to select it
From the tools category on the toolbar choose follow path; Set mode to extrude, direction to bottom/top
Tick the checkmark to finalize follow path
Click on profile 2, 1 to select, click on mesh 5 to deselect
Click delete button to delete selected objects
From the 3D Shapes category on the toolbar choose cube; Set width to 2, height to 50, position x to -75.
Tick the checkmark finalize cube
Click to activate edge selection; Click on highlighted region to select it
From the modify category on the toolbar choose fillet; Set level to 10.
Tick the checkmark to finalize fillet
Click highlighted part on selection cube to turn off region selection
Click on mesh 4 to select it
Click Boolean on the toolbar; From the tool panel choose union.
Tick the checkmark to finalize union
Click move on the toolbar; Set y to 2.
Click ‘x’ to close transformation panel
Click on mesh 5 to select it
Click Boolean on the toolbar; from the tool panel choose difference, Choose mesh 5 to subtract.
Tick the checkmark to finalize difference
From the right panel choose cube selection; Set left to 152, right to 280, back to 17, front to 84
Tick the checkmark to finalize cube selection
Click rotate on the toolbar; Set origin position to right, z to -10.
Click ‘x’ to close transformation panel
Click on highlighted region to deselect it
From the 3D Shapes category on the toolbar choose cube; Set width to 5, height to 25, depth to 75, position x to 4, position y to 10.
Tick the checkmark finalize cube
Click to activate edge selection; Click on highlighted region to select it
From the modify category on the toolbar choose fillet; Set level to 10.
Tick the checkmark to finalize fillet
Click highlighted part on selection cube to turn off region selection
Click on difference 1 to select it
Click Boolean on the toolbar; from the tool panel choose difference, Choose difference 1 to subtract , and set keepsubtractedobject to true.
Tick the checkmark to finalize difference
As you continue honing your design skills, remember that SelfCAD offers a wealth of resources to support your learning journey. To deepen your understanding and explore more advanced features, consider checking out the interactive tutorials (https://www.selfcad.com/tutorials) available on the SelfCAD website. The tutorials page provides a treasure trove of guides, tips, and tricks that cater to designers of all levels.
More structured learning experience can also be accessed at the SelfCAD Academy (https://www.selfcad.com/academy/curriculum/), https://www.youtube.com/@3dmodeling101, and 3D Modeling 101 series (https://www.youtube.com/playlist?list=PL74nFNT8yS9DcE1UlUUdiR1wFGv9DDfTB). This comprehensive resource offers in-depth courses taught by industry experts, allowing you to master the intricacies of SelfCAD at your own pace
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