Tower of Pi – 3D Printed Pen Holder / Desk Cup Teacher Gift Idea Office or Desk

Celebrate math and design with this Tower of Pi Pen Holder, a sleek and functional desktop organizer inspired by the infinite beauty of π (pi). With its spiraling tower-like structure and numeric cutouts, this pen cup is both eye-catching and practical.

Whether you're a student, teacher, engineer, or math enthusiast, this unique holder adds personality and purpose to any workspace.

Highlights:

• Designed with the digits of Pi wrapped in a spiral tower

• Holds pens, pencils, markers, or desk tools

• Great gift for math lovers, students, or STEM fans

• Lightweight, sturdy, and 3D printed in eco-friendly PLA

• Functional art for your office, classroom, or study

Specifications:

• Material: PLA (custom colors available)

• Dimensions: Approx. 4.5" tall × 3.5" diameter

• Print Resolution: 0.2 mm

• Infill: 15–20%

• Supports: May be required for some overhangs

• Color Options: Matte Black, White, Blue, Red, or Rainbow