I already know the exact shape I need: a plain, sleeve-style cradle that slides onto the lower end of my phone and lets me strap a small power bank to the back. Overall outside dimensions are 8 cm high × 7.3cm wide × 2.8 cm deep, with walls kept to 0.2 cm so the part stays light for printing. A generous opening must be left along the bottom edge for the charging port; I will share a reference image so you can size that cut-out correctly. The exterior should be modelled as a clean matte surface—no texturing, logos, or decorative geometry. This is intentionally simple work: roughly thirty minutes to block out the shape, another thirty to tweak the opening and wall offsets once I check your first draft. I’m happy with whatever software you prefer—Fusion 360, SolidWorks, CATIA, FreeCAD—so long as I receive: • the fully editable source file (CATPart, STEP, or equivalent) • an export in STL ready for FDM printing Send the first draft as soon as it’s roughed in; I’ll confirm fit on my end and give any final notes immediately so we can wrap the job quickly. The budget is 400rs or 5 dollars. At max.