BASENOR engineer 3D scanning the Tesla Model 3 Highland twin cup holders with a Scantech structured-light scanner
Design Story

The Cup Holder Insert That's Actually One Piece

Everyone else ships two separate silicone pucks that slide independently. We scanned both wells plus the center divider and molded a single 167.87mm TPE mat that sits as one.

Your Tesla's Cup Holders Are Loud

The factory Tesla cup holder is a piece of slick black plastic with two circular wells and a thin divider between them. It looks clean. It works badly. A half-full water bottle rattles against the bottom every time the car goes over a seam. A metal can chirps against the divider every time you corner. An insulated tumbler slides a full centimeter forward when you brake.

The aftermarket answer is two separate silicone pucks — one per well. They solve the noise inside each well and create a new problem: the pucks themselves slide around when empty, rotate when you drop a bottle in, and catch on your cup when you pull it out.

We noticed the thing nobody was designing for: the two cup wells aren't independent parts of the car. They share a structural divider and a continuous floor. Treating them like two separate problems gives you two separate solutions that fight each other.

So we scoped this as a single part. One piece of TPE, shaped to the full twin-cup footprint plus the center divider, dropping into the console as one unit. If it works, it should make the whole area silent — not just the two wells.

We Scanned Both Wells Plus the Bridge

Designing a one-piece mat means the geometry has to be exactly right in three zones: the two circular well bottoms, and the bridge between them that sits over the divider. If the bridge is 0.5mm too thick, the mat won't seat flush in the wells. If it's too thin, the mat flexes there and pulls the wells out of position. The only way to get it right is to scan the whole console section as one surface.

We brought a Scantech handheld structured-light scanner into a 2024 Model 3 Highland and captured the twin cup holder region at 0.02mm resolution — both wells, the divider, the console surround, the subtle taper at the top edge of each well. Five minutes of scanning produced a point cloud the design team opened in CAD the same afternoon.

Scantech handheld 3D scanner capturing the twin cup holder wells with blue structured light
Scanner sweeping the twin wells in one pass
Overhead 3D scan showing the twin cup holders and center divider bridge in the Tesla center console
Overhead scan showing wells plus the center divider
Close-up of the scan data capturing both cup well floors and the bridge between them
Close-up on the circular well floors

The scan revealed something caliper measurements miss: the wells aren't perfect cylinders. Each has a subtle 1.2° inward taper toward the bottom, and the bottom itself has a shallow dimple in the center where the Tesla mold ejector sat. A flat silicone puck bridges that dimple and rocks. A contour-matched TPE pad seats into it and doesn't.

One Piece, Two Wells, Zero Rattle

The mat is a single injection-molded TPE part, 167.87mm end-to-end. Two circular pads that each drop into a well, connected by a bridge that sits across the divider. Drop it in once and forget it exists — it can't shift left, right, or rotate, because the bridge locks it geometrically against the divider.

Single Piece, Dual Wells

One part that sits across both cup holders plus the divider. Can't rotate, can't shift. Stays in place whether the wells are full or empty.

Contour-Matched Bottoms

Each circular pad is molded to the inverse of the factory well floor — including the 1.2° taper and the mold-ejector dimple. Seats flush, doesn't rock.

Grippy Top Surface

Fine micro-pattern on the top face grips cup bottoms without leaving marks. Water bottles, cans, and tumblers stop sliding on acceleration.

Soft TPE, Not Hard Silicone

TPE absorbs impact acoustically. A tumbler that used to clack against the well floor now lands silently. The cabin gets quieter.

Three Iterations to Get the Bridge Right

The bridge is the hard part. The two circular pads are simple — print, check, done. The bridge has to be thick enough to span the divider rigidly, thin enough to not lift the pads out of the wells, and flexible enough to drop in and remove without cracking.

Time-lapse of the cup holder insert prototype 3D printing on the Bambu Lab print bed
Cup holder insert prototype coming off the print bed — the bridge is printed integral to the pads, not glued in later

Gen 1 — 3.0mm Bridge

Matched the divider height. Result: bridge acted as a lever that pushed the outer edges of the pads up as you dropped cups in. Pads would lift 0.3mm at the rim over a week.

Gen 2 — 1.8mm Bridge with Lateral Ribs

Thinned the bridge to sit below the divider top, added two lateral ribs under the pads for stiffness. Bridge no longer pushed pads up, but the mat was too flexible to hold its 167.87mm length — you could twist it out of shape removing it.

Gen 3 — Production Geometry

2.2mm bridge with an integrated stiffening ridge on the underside that sits in the divider's own recess. Rigid in the axis it matters (length), flexible enough to pop in and out. This is the production geometry.

167.87mm, Caliper-Checked, Cornering-Tested

A cup holder insert doesn't fail the day you install it — it fails at month three, when the TPE's shape has relaxed and the bridge no longer grips the divider. Every prototype went through the same protocol: caliper measurement at six points, 30-day in-vehicle test on a 2024 Model 3 with daily driving, then re-measurement to check for any permanent set in the TPE.

Digital caliper measuring the 167.87mm end-to-end width of the single-piece cup holder insert
167.87mm end-to-end: the number the bridge has to hold
Prototype cup holder insert partially installed in the left well, showing 1:1 fit against the factory cup base
Prototype seated in the factory well — taper matched, dimple filled
Water bottle sitting in a Tesla cup holder with the BASENOR insert beneath, demonstrating the bottle held steady
Water bottle on the production mat — bottle doesn't slide when the car corners, bottle doesn't clack when the car goes over a seam

We stopped hearing our own cup holders after the first week of driving with the Gen 3 prototype installed. That's the success metric. A cup holder you can ignore is a cup holder that's working.

Why TPE, Not Silicone or PVC

Component Material Why
Mat body Soft-flex TPE (thermoplastic elastomer) Absorbs acoustic impact better than silicone. Doesn't get sticky in heat like PVC. Returns to shape after being compressed under a cup for hours.
Top micro-pattern Integrated molded texture Grips cup bottoms without the "suction" effect that cheap silicone pucks have — the cup comes up when you lift your hand, not when the puck lifts with it.
Bridge stiffener Integrated TPE ridge on underside Sits in the factory divider recess. Locks the mat laterally by geometry. One-piece molded, not glued.
Finish Matte, UV-stabilized Doesn't fade under direct sun from the panoramic roof. Doesn't yellow over time.

We evaluated silicone (still popular with competitors) and rejected it: silicone has a slight tackiness that makes cups stick on removal, and the acoustic damping is measurably worse than TPE of the same thickness. PVC was never on the table — it off-gasses in summer heat and leaves a plasticky smell.

What You Actually Get

Feature What It Means for You
167.87mm single-piece design One part, both wells, plus the divider bridge. Can't rotate or shift like two separate pucks.
3D-scan-derived contour Inverse-molded to the factory well taper and dimple. Seats flush, doesn't rock.
Bridge locks on the center divider Geometry holds the mat in place, not friction. Works with wells empty or full.
Soft-flex TPE Absorbs acoustic impact. Bottles stop rattling, cans stop chirping.
Micro-pattern grip Cups stay put on acceleration. Come up cleanly when you lift them — no suction effect.
Drop in, no install Lift the mat out to clean. Rinse, wipe, drop back in. Under 10 seconds.
Matte UV-stable finish Doesn't yellow under the glass roof. Still black after a summer.
Fits 2024+ Model 3 Highland and 2025+ Model Y Juniper Same cup holder geometry shared between both vehicles.

Frequently Asked Questions

Does this fit both the Model 3 Highland and the Model Y Juniper?
Yes. Tesla uses the same cup holder module in both vehicles (the center console is a shared assembly). Our mat is scan-derived from a 2024 Model 3 Highland and validated on a 2025 Model Y Juniper with zero adjustment needed.
Will it fit the older (pre-Highland) Model 3 or Model Y?
No. The pre-refresh cup holder geometry is different — different well diameter, different divider shape, different overall footprint. The 167.87mm length of this mat is specific to the 2024+ architecture.
How does it stay in place?
Geometry, not friction. The bridge between the two circular pads sits across the factory divider, and an integrated stiffening ridge on the underside locks into the divider's recess. The mat literally cannot shift laterally or rotate. No adhesive, no suction needed.
Will my cups get stuck to it?
No. The top micro-pattern grips cups without the suction effect that cheap silicone pucks have. You lift your cup, the cup comes up, the mat stays put. This was specifically what we tuned against in prototype Gen 2.
Does it affect which cups fit in the holder?
No. The mat is thin enough (2.8mm at the pad) that standard cups, bottles, and tumblers all fit exactly as they did before. Tesla's well is spec'd for a 3.5-inch cup; our mat doesn't compromise that.
How do I clean it?
Lift it out, rinse with water, wipe with a damp cloth. For stubborn stains — coffee spills, soda residue — a drop of dish soap. Do not use solvents. The matte finish dulls if you use silicone-based cleaners.
Will it melt in summer heat?
No. The TPE compound is stable from −20°C to +80°C. A parked Tesla's cabin peaks around 70°C in summer, well within the mat's comfort zone. No softening, no permanent deformation, no color change.
Why a one-piece design instead of two pucks?
Two separate pucks rotate and slide against each other over the divider — we saw this failure mode in every competitor we tested. A single piece with a bridge fixes both wells simultaneously and can't come apart. It also reduces installation time to one drop-in instead of two fussy alignments.

The 167.87mm Mat That Shuts Them Up

Single-piece TPE. Scan-derived contour. Bridge-locked on the factory divider. Drop it in once and stop hearing your own cabin rattle at every seam in the road.

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Fits 2024+ Tesla Model 3 Highland & 2025+ Model Y Juniper · Free US Shipping

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