Halloween Hacks – 3D Printing Posted on October 22, 2025 at 3:44 pm. Bring your ideas to life (…or death)! Visit the Library for our drop-in learning sessions. Join us anytime during the 2 hours and stay as long as you like! Choose your Halloween project and take your carved pumpkin to the next level, create a mason jar lantern, or let us what you want to create. Tuesday, October 28, 2025 Noon to 2 p.m. Oshawa Campus Library, Library Classrooms (1st floor) SHARE: