3D Printed Power Strip Brackets: Do They Save Space?

Yes, 3D printed power strip brackets can significantly enhance space by mounting power strips vertically, under desks, or inside cabinets, freeing up valuable horizontal surface area. They transform a bulky, floor-cluttering device into an organized, out-of-the-way component of your workspace or entertainment center.

Formula

The calculator estimates the space you free up by moving a power strip from a flat surface (like a desk or floor) to a vertical or elevated position. The first output, Space saved (s), represents the horizontal area you reclaim, calculated as the strip’s footprint plus the area of the vertical projection it would otherwise occupy on the wall. The second output, Volume freed (v), is the cubic volume of space you open up behind or beneath the strip.

In words: Space saved = (strip length × strip depth) + (strip length × mounting height). Volume freed = strip length × strip depth × mounting height.

• t = length of the power strip (cm)
• d = depth (thickness) of the power strip (cm)
• h = height above the original surface you mount it (cm)

Worked Example

Using the default values: a 30 cm long strip, 5 cm deep, mounted 10 cm above the desk.

1. Footprint area = 30 × 5 = 150 cm²
2. Vertical projection area = 30 × 10 = 300 cm²
3. Total space saved = 150 + 300 = 450 cm²
4. Volume freed = 30 × 5 × 10 = 1500 cm³

The calculator returns 450 cm² and 1500 cm³, matching the manual calculation.

Why Mount a Power Strip at All?

The typical power strip sits on the floor or desk, consuming a rectangle of space roughly 30–45 cm long and 5–8 cm wide. That footprint might not seem like much, but it blocks dusting, tangles cables, and often forces you to push other items away. Mounting the strip vertically under a desk or on the side of a cabinet removes that footprint entirely. The space saved is not just the physical area of the strip—it is also the clearance you gain. A strip mounted 10 cm above the desk frees a 30×10 cm band of surface you can now use for a keyboard, notebook, or coffee mug.

How 3D Printed Brackets Work

These brackets are typically designed as a cradle or clip that holds the power strip’s body. The most common designs include:

• Under-desk mounts: A flat base with screw holes or strong adhesive tape, plus a channel that the strip snaps into.
• Vertical mounts: A bracket that holds the strip sideways, so the outlets face horizontally, reducing dust accumulation.
• Wall mounts: A simple L-shaped holder that the strip slides into.
• Magnetic mounts: A base with a magnet that attaches to a metal desk frame or cabinet.

You print the bracket in a sturdy plastic like PETG or ABS, then attach it with screws, double-sided tape, or a magnetic strip. The power strip itself remains unmodified, so you can still remove it for travel or replacement.

Choosing the Right Bracket

Not all brackets fit all strips. Before downloading a file, measure your strip’s exact dimensions—length, width, and thickness. Check the outlet spacing on the strip; some brackets cover the outlets if they are too close to the mounting holes. Also consider the weight of the strip plus all plugged-in adapters. A heavy wall-wart transformer can pull the bracket off if it is only held by tape. For heavy loads, use screw-mounted brackets into wood or drywall anchors.

Material matters too. PLA is cheap and easy to print but softens in a hot car or near a radiator. PETG is more heat-resistant and slightly flexible, making it a better choice for a bracket that sees stress. ABS is strong but requires a heated enclosure to print well. For most indoor desk use, PETG is the best balance.

Common Problems and Fixes

The most frequent issue is a bracket that is too tight or too loose. If the strip does not slide in, the print tolerances are off; reprint with a 0.2 mm horizontal expansion or sand the inside lightly. If the strip rattles, add a thin foam pad inside the cradle. Another common problem is the bracket breaking at the screw holes because the wall is uneven. Use a washer or print a slightly thicker base. Finally, some power strips have a non-rectangular cross-section (rounded or tapered). For those, look for a bracket specifically designed for that model, or print a generic strap-style holder with zip ties instead.

Costs and Alternatives

Printing your own bracket costs a few cents in filament—typically $0.10 to $0.50 per bracket depending on size and infill. Commercial metal or plastic under-desk mounts cost $10–$20 each. The 3D printed version is nearly free if you already own a printer. If you do not have a printer, you can order prints from online services, but shipping often makes it comparable to buying a commercial mount.

Alternatives to 3D printed brackets include:

• Velcro strips: Cheap and removable, but less secure and can leave residue.
• Zip ties: Work for any shape, but look messy and are hard to remove.
• Commercial under-desk mounts: Often metal, very sturdy, but limited to specific strip sizes.
• Adhesive cable clips: Good for light strips, not for heavy adapters.

Safety Considerations

Mounting a power strip does not change its electrical rating, but it does change how heat dissipates. A strip mounted flat against a wall or under a desk can overheat if it is fully loaded and enclosed. Leave at least 2–3 cm of air space around the strip. Never mount a strip upside-down with outlets facing upward—dust and small objects can fall into the slots. Also, ensure the bracket does not block the strip’s on/off switch or its surge protection indicator light. If the strip has a reset button, make sure it remains accessible. Finally, do not mount a strip where it can be stepped on or crushed, such as under a rug or behind a chair that rolls over it.

Frequently Asked Questions

Will a 3D printed bracket hold a heavy power strip with many adapters?

Yes, if you use a screw-mounted bracket and print with at least 40% infill. The weak point is usually the adhesive tape, not the plastic. For very heavy loads (more than 1 kg), use screws into a stud or a solid wood surface.

Can I mount any power strip with a 3D printed bracket?

Most rectangular, flat strips work. Strips with unusual shapes, rounded edges, or built-in USB ports may need a custom model. Always measure the exact dimensions and compare them to the bracket’s stated fit.

Is it safe to mount a power strip under a desk?

Yes, as long as there is airflow around it and it is not completely enclosed. Avoid mounting it directly against a carpet or fabric surface. Keep the strip’s vents clear and do not cover it with papers or cloth.

What filament should I use for a power strip bracket?

PETG is the best all-around choice because it is strong, heat-resistant, and easy to print. PLA works for light indoor use but may warp in warm environments. ABS is strong but requires a printer with an enclosed chamber.

Do I need to modify my power strip to use a bracket?

No. The bracket holds the strip by its outer casing. You do not open the strip or alter its wiring. If a bracket requires modification, do not use it—it is not a proper design.

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in t | Strip length | cm | 30 | 5 | 100
in d | Strip depth | cm | 5 | 2 | 30
in h | Mounting height | cm | 10 | 0 | 50
out s | Space saved | cm^2 | (t * d) + (t * h) | 0
out v | Volume freed | cm^3 | t * d * h | 0