Under Siege!

Learn about Medieval Siege Engines and create your own 3D printed Catapult!


In this activity, students will learn about siege engines (i.e., devices that break through heavy castle doors, city walls) from medieval history and create a miniature 3D printed replica.

Duration: Up to (2) 40-minute sessions

Group or Individual: Group

Difficulty Level: Novice

Learning Goals

By the end of the course students will:

  • Investigate historical siege engines throughout different historical events and how they developed
  • Learn appropriate vocabulary related to launching objects through space
  • Connect an old design to a modern, design thinking framework and activity
  • Collaborate with others to create and follow instructions based on experiences testing trebuchets and catapults


  • blank paper
  • pens/pencils
  • 3D Printer filament for printing (and scheduled time on the printer)
  • 3D printer such as the Cubicon Single+
  • slicing software such as Cubicreator or Simplify3D
  • licensed CAD software such as Fusion 360, Inventor, TinkerCAD or SolidWorks
  • computer and mouse for each group

Prerequisite Skills

  • Familiarity with TinkerCAD or other 3D printing software

Your Instructor

Eden Hennessey
Eden Hennessey

Frequently Asked Questions

When does the course start and finish?
The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.
How long do I have access to the course?
How does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like - across any and all devices you own.
What if I am unhappy with the course?
We would never want you to be unhappy! If you are unsatisfied with your purchase, contact us in the first 30 days and we will give you a full refund.

This course is closed for enrollment.