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Marionette Aps
DefunctTechstars '21København, DK · 1 known investors
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Marionette is a software tool that captures and cleans motion from video for animation, using AI-powered processing that runs locally on a user's computer. The tool serves animators, studios, and agencies working in 3D animation and gaming, and exports to industry-standard formats for use with Unreal Engine, Maya, Blender, and other digital content creation platforms.
Also known as Marionette · Marionette ApS · Marionette Mocap · Sidetracked ApS · Sidetracked IVS
Investors · 1
How we know: the Techstars portfolio · open dataset · Top 3000 Accelerator Startups (no YC) 2026-08 · Not right? Tell us
Company profile
researched Sep 2026Marionette ApS is a Copenhagen-based software publisher behind Marionette, a markerless motion capture application that extracts body, face, hand and multi-person motion from ordinary video recorded with a laptop and a mobile phone, without motion capture suits. All processing runs locally on the user's machine, which the company presents as enabling real-time preview, data privacy and an absence of cloud credit limits on the number of renders.
The product combines automated, AI-driven motion cleanup with manual editing tools such as rig adjustment, joint extension fixes and foot lock, following a post-to-pose workflow intended to produce production-ready animation. Output can be exported in FBX (including Mixamo-standard skeletons), GLB and BVH, and plugins for Unreal Engine, Maya, Blender and Unity allow animation to be streamed directly to control rigs for live preview and baking. Published tutorials also cover export paths to iClone, Cinema 4D, Houdini and Roblox, plus features such as segmentation mask refinement for multi-person capture, a virtual green screen for compositing, and import of Ready Player Me characters.
The company is registered in Denmark as Marionette ApS under Danish industry code 58.29.00 (other software publishing), previously named Sidetracked IVS and Sidetracked ApS, with a registered address on Lyngbyvej in København Ø. Registry records list its status as "Under Konkurs" (bankruptcy).
Business model
Marionette is sold as a subscription software product: terms state that payments and subscriptions are billed as described on the company's pricing page, that purchasing a subscription authorises recurring charges to the selected payment method, and that subscriptions can be cancelled at any time, with fees non-refundable unless required by law.
Paid subscriptions to the Marionette Mocap software, billed per the published pricing page, with unlimited local processing rather than metered cloud credits.
Traction
Company profile data lists a headcount of 1-10 (registry: 2-4 employees) and approximately 9,600 monthly website visits.
Latest developments
Marionette ApS is listed among the startups scheduled for a preliminary session of the Takeoff Tokyo 2026 pitch contest on 31 March. The Marionette Mocap terms and conditions were last updated in October 2025.
▸Full profile — market position, technology, go-to-market, geography, history
Market position
Positions itself as an all-in-one capture-and-clean tool for suit-free, single-camera motion capture that runs locally, in contrast to cloud-credit-based mocap services.
Local, on-device processing with unlimited renders and no footage leaving the user's computer; combined AI and manual cleanup in a single tool; capture of body, face, hands and multiple people from one video; and direct streaming into Unreal Engine, Maya, Blender and Unity pipelines alongside standard file exports.
Technology
Markerless, video-based motion capture driven by AI models that reconstruct body, face, finger and multi-person motion from a single video source, paired with AI-assisted cleanup and manual correction tools. Processing is performed entirely on the user's local computer rather than in the cloud, supporting real-time preview and keeping footage on-device. Interoperability is provided through FBX, GLB and BVH export and through plugins for Unreal Engine, Maya, Blender and Unity that stream animation to control rigs.
Go-to-market
Direct sign-up and subscription through the company website, supported by an extensive library of workflow tutorials covering cleanup, multi-person capture, face and finger tracking, and integration with individual DCC tools and engines; the company has also taken part in startup accelerator and pitch-contest programmes.
Animators and 3D content creators working in game engines and DCC tools, including users of Unreal Engine, Unity, Blender, Maya, iClone, Cinema 4D, Houdini and Roblox.
Geography
Headquartered in Copenhagen, Capital Region of Denmark; the software is distributed online.
History
The Danish entity was incorporated under the name Sidetracked IVS, later Sidetracked ApS, with several Sidetracked trading names registered in 2018, before operating as Marionette ApS. An early company profile dated 2019 as its founding date and described the product as AI-driven software for capturing motion using consumer action cameras without motion capture suits. Techstars Accelerator Investments 2021 LLC appears among registered shareholders alongside T. Ipsen Holding ApS and Mathias Bastholm. Company registry data lists the entity's status as being under bankruptcy proceedings.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Timeline · 3
launches, deals, and filingsMarionette ApS is listed among the startups pitching in Preliminary Session 3 of the Takeoff Tokyo 2026 pitch contest.
OpenCorporates lists Danish company Marionette ApS (number 39989603) with status "Under Konkurs".
A startup profile lists Techstars as an investor in Marionette ApS with a date of 26 January 2022; Danish registry shareholder records list Techstars Accelerator Investments 2021 LLC as a shareholder holding 5.00%-9.99%.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 8
primary sources listed
- Marionette Apsmarionettexr.com · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Marionette Aps do?
- Danish developer of Marionette, a video-based motion capture and AI cleanup tool that runs locally on a laptop.
- Who are Marionette Aps's investors?
- Marionette Aps's investors include Techstars.
- Where is Marionette Aps headquartered?
- Marionette Aps is headquartered in København, DK.