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DCC Bridge
Anonymous1770731567
02-10 14:07
Model Name
bilateral leg braces 3d model
Tags
props
rendering
realistic
Prompt
Create a pair of bilateral wearable assistive legs designed for an adult male with spastic diplegic cerebral palsy. The device is not an exoskeleton—it is a rigid external walking frame that fully supports body weight, while the user’s biological legs rest passively inside a custom-molded inner sleeve. 🔹 Overall Structure Two identical legs (left and right), spaced 600 mm apart at the hip. Each leg consists of: Inner soft sleeve (thermoplastic + foam) Outer rigid frame (aluminum) Wide footplate (steel) 🔹 Inner Sleeve (Wearable Interface) Material: Smooth, matte white thermoplastic shell with light blue foam lining. Shape: Tapered cylindrical sleeve from mid-quadriceps to mid-calf (~750 mm tall). Top diameter: 150 mm (thigh) Bottom diameter: 100 mm (calf) Wall thickness: 5 mm (3 mm thermoplastic + 2 mm foam) Surface: Seamless, contoured to human leg anatomy, no sharp edges. Function: Non-load-bearing—holds biological leg in neutral, relaxed position. 🔹 Outer Frame (Load-Bearing Skeleton) Material: Brushed aluminum (metallic silver, slightly reflective). Components per leg: Thigh ring: 30 mm wide, 3 mm thick, 150 mm inner diameter Calf ring: 25 mm wide, 3 mm thick, 100 mm inner diameter Three vertical struts: Square cross-section (20 mm × 20 mm), connecting thigh ring to calf ring at 120° intervals (front, left, right) Struts are perfectly straight, rigid, and bolted to rings with visible M6 hex bolts. 🔹 Footplate (Ground Interface) Material: Matte black steel Shape: Rectangular plate with rounded front (rocker sole) Dimensions: 250 mm (length) × 120 mm (width) × 10 mm (thickness) Front edge: 30 mm radius curve for smooth roll-over Attached directly to bottom of three struts Surface: Textured rubber tread (dark gray, non-slip pattern) 🔹 Hip Connection System A U-shaped pelvic band (aluminum, 40 mm wide) connects the two thigh rings at the back. Band follows natural iliac crest curvature. Includes two diagonal support struts from pelvic band to each thigh ring (like suspenders). 🔹 Posture & Alignment Legs are fixed in 20° knee flexion (natural contracture angle). Ankle is in 10° plantarflexion (equinus accommodation). User’s biological legs are fully enclosed but not compressed—visible as faint organic shapes inside the sleeve. Overall height: 850 mm from footplate to top of thigh ring. 🔹 Style & Realism Industrial, hand-built aesthetic—not sleek or robotic. Visible weld seams, bolt heads, and tooling marks on metal. No motors, wires, or electronics. Designed for indoor home use—compact, stable, quiet. 🔹 Scene Context (Optional) Place model standing on a wooden floor. Include a wall-mounted grab bar nearby for reference. Lighting: soft, warm workshop light.
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