Ploopy

A+ Trackball (DIY Kit)

WiredAmbidextrous

Colors

  • Black / Red
  • Black / Black
  • Black / Blue
  • White / Red
  • White / Black
  • White / Blue
  • Purple / Red
  • Purple / Black
  • Purple / Blue
  • Yellow / Red
  • Yellow / Black
  • Yellow / Blue
Overview

The Ploopy A+ Trackball is a 3D-printed, open-source trackball mouse and the next iteration of the popular Adept Trackball. It runs QMK, has a high-end tracking sensor, supports VIA, and features eight buttons and two knobs. This kit must be built prior to use.

View on official site

Specifications

Basics

Type
DIY kit
Availability
Pre-order
Handedness
Ambidextrous
Model number
PLTMAPKI0004

Ball

Ball diameter
44.5mm
Ball support
Roller bearing

Sensor

Sensor type
Optical
Sensor model
PMW3360
DPI
800–12000
Polling rate
1000Hz

Buttons & Scrolling

Buttons
8
Programmable buttons
8
Scrolling
Wheel, Ball scrolling mode
Horizontal scrolling
No
Silent clicks
No

Connection & Power

Connection
Wired
Wired connector
USB Type-C
Supported OS
Windows, macOS, Linux
Power
USB bus power

Body

Weight
260g

260g

Software & DIY

Firmware
QMK
VIA support
Yes
Soldering required
Yes
Open source
Yes
Vendor Information
  • ploopy

    A+ Trackball (DIY Kit) [PREORDER - TIER C]

    CA$99.99

    In stockChecked: 10/29/2026
    Visit
  • ploopy

    A+ Trackball (DIY Kit) [PREORDER - TIER D]

    CA$99.99

    In stockChecked: 10/29/2026
    Visit
  • ploopy

    A+ Trackball (DIY Kit) [PREORDER - TIER A]

    CA$99.99

    Out of stockChecked: 10/29/2026
    Visit
  • ploopy

    A+ Trackball (DIY Kit) [PREORDER - TIER B]

    CA$99.99

    Out of stockChecked: 10/29/2026
    Visit

Prices are shown in each store’s currency (not converted). Note: Price information may not be accurate. Please verify the current price on the vendor's website.

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