Murderbot DIY Costume Guide

Building a SecUnit uniform means leaning into functional, mass-produced corporate security gear rather than sleek superhero aesthetics. Murderbot spends its operational hours encased in utilitarian composite plating, neutral tones, and an opaque face shield designed to dehumanize it while keeping its human-cloned components protected.

Because full custom armor fabrication from scratch can take months, adapting off-the-shelf motorcycle and tactical protection is one of the most effective ways to capture that heavy, segmented silhouette. Layering rigid plates over padded textiles gives the suit the structured, mechanical volume it needs without sacrificing range of motion.

SecUnit Helmet and Faceplate

The completely concealed face is Murderbot’s defining visual trait and its personal comfort zone. You can base the headgear around a 3D printed Murderbot mask mounted onto a low-profile black helmet, or build an integrated harness underneath. An opaque, seamless front visor line is critical here; the entire unit should feel sealed off from the outside world.

Matching raw prints or commercial helmet shells to the rest of the rig usually requires surface prep and color balancing. Applying coats of white paint and grey paint across specific raised bevels establishes consistent corporate paneling. Lightly scuffing edges with fine sandpaper or dabbing diluted grey wash into panel recesses breaks the glossy plastic look and gives the armor a field-deployed finish.

Armored Torso and Segmented Sleeves

A white padded motorcycle top serves as a sturdy foundation, providing built-in ribbing and spine contours that resemble sub-dermal impact protection. Over this base, strap on a white chest plate and attach white shoulder armor to create distinct hard-surface defense tiers. Adjust the straps so the chest plate sits high on the sternum, leaving your waist free to bend.

To break up the solid white plating and mimic mechanical articulation, pull black faux leather arm sleeves over the forearms and biceps before strapping the shoulder guards in place. Finish the arms with white and black motorcycle gloves. The reinforced knuckles and darker palm grips tie the limbs into the darker under-suit elements while keeping your hands agile enough to handle items.

Lower Armor and Footwear

The legs need to echo the segmented, heavy-duty construction of the upper body. White and grey motorcycle pants offer natural reinforced paneling along the thighs and hips that blend with the upper armor. Fasten grey knee pads directly over the pants, positioning them so they cap the knees without sliding down during walking.

Anchor the lower half with heavy white boots. SecUnits are industrial security units designed for brutal corporate installations and planetary surveys, so footwear should look grounded and substantial. Tucking the pants cleanly into the boots or securing the pant cuffs over the boot collars creates a tight seal line that mirrors the sterile corporate design.

Murderbot DIY Costume Guide
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