*OUTER_BASE_R * = 42.0 # outer radius at ground level (mm)

OUTER_TOP_R = 36.0 # outer radius at top rim (mm)

HEIGHT = 110.0 # total stump height (mm)

WALL = 7.0 # wall thickness — generous for strength (mm)

INNER_R = OUTER_TOP_R - WALL # pen cavity radius (mm) ≈ 29 mm

INNER_DEPTH = 95.0 # how deep the pen hole goes (mm)

Bring a natural and rustic feel to your workspace with this Tree Stump Pen Holder STL. Designed to replicate the look of a real tree stump, this model adds a unique and organic touch to any desk setup while keeping your pens and tools neatly organized.

This 3D printable pen holder combines visual appeal with everyday functionality, making it ideal for home offices, study spaces, or as a thoughtful gift.

Features

Stable and compact design for daily useOptimized for easy 3D printing with no supportsClean geometry for reliable results

What You Get

High quality STL file ready for 3D printing

This model is perfect for anyone looking to add a natural style element to their desk while keeping things practical and organized.