Larger Cup Holder Safety 1st Car Seat
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Bill of Materials
Description
Expanded, Handle-Friendly Replacement for Safety 1st Car Seats
If you’ve struggled with the undersized OEM cup holder on your Safety 1st car seat, this upgraded twist-lock replacement is designed specifically to solve that problem.
The factory cup holder is restrictive — many modern toddler cups are wider, insulated, or have handles that prevent proper seating. This redesigned version expands usable volume and incorporates side cutouts to accommodate handled cups, significantly improving retention during normal driving conditions.
Key Improvements
- Expanded internal diameter to support larger sippy cups and insulated drink containers
- Integrated handle cutouts for cups with side grips
- Twist-and-lock interface compatible with the original mounting system
- Two-part design for easier and more reliable printing
- Mechanical fastening using two M3 x 8mm screws and nuts
- Optional adhesive reinforcement (cyanoacrylate used in assembly example)
This design reduces tipping and ejection during acceleration, braking, and cornering — helping prevent spills and minimizing frustration for young passengers.
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License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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