The Room of Requirement Door - Harry Potter Inspired 3D print model

The magic door of the requirement room that appears when students need it!

Press the button to light up whenever you need it!

There is a box design behind the door and you can put an LED light inside.I made the back box by laser-cutting MDF. If you’d like, you can do the same. However, to make it possible to print in plastic using an FDM printer, I’ve also included the 3D file for the box.

3D printing settingsThis model was printed using an Elegoo Saturn 3 Ultra resin printer. For large prints, a 0.1mm layer height works perfectly fine. I used Anycubic resin with a 2-second exposure time per layer.

Scaling & Unit Conversion Notice:Sometimes, when fixing STL files, the unit of measurement can switch from millimeters to centimeters. If the model appears 10 times larger than expected, simply scale it down to 10% of its current size (reduce by one decimal place, e.g., 100mm >>> 10mm).

When resizing multi-part models, make sure to scale all pieces by the same percentage to maintain proper fit and alignment—especially if the model includes connector pins or interlocking parts.

Since every printer and resin behaves differently, I can’t provide a one-size-fits-all setting. However, if you’re new to resin printing, you can easily learn by watching tutorial videos. There are plenty of great resources available!

In the world of magic, there exists a hidden sanctuary known as the Glimmering Sanctuary. This mystical room is unlike any other, for it only reveals itself when it is truly needed. Its door does not appear on any map, and its location is not fixed in any part of the castle. It appears only when a wizard or witch is in desperate need of something that no other room can provide.

The door itself is enchanted to shimmer with a soft, silver light—barely perceptible until the precise moment when it is most needed. At times, it can appear in the middle of a dark corridor, glistening like a star fallen from the heavens. At other moments, it may materialize in the most mundane of spaces, a corner no one would have thought to look. The only way to find it is through the deepest of desires, whether it be the need for a moment of solace, a place to practice forbidden magic, or a hidden space to escape from the world.

Once inside, the room adapts to the person who summoned it. If the visitor seeks peace, the room transforms into a tranquil garden, bathed in the glow of soft moonlight, where the rustle of leaves offers calm. If the visitor craves knowledge, shelves upon shelves of books materialize, containing answers to questions no one has dared to ask. For those seeking refuge, the room may become a warm, cozy chamber filled with comforts, as though it had known exactly what was missing all along.

But the Glimmering Sanctuary holds a secret: it only stays open as long as it is needed. Once the visitor has fulfilled their purpose, the room fades away, leaving no trace of its existence. Some believe that the sanctuary is a reflection of the heart's true desires, and those who misuse its magic may find that it becomes more elusive over time, only showing itself when the heart is pure and the need is genuine.

So, if you ever find yourself in the midst of an impossible situation and catch a flicker of silver light in the distance, trust your instincts. The Glimmering Sanctuary may be closer than you think, waiting to provide exactly what you need.