* MMD-PV: This is a Japanese website that hosts a large collection of motion data for MMD. You can find motion data for Miku and other characters by browsing the website or using the search function.
* Nico Nico Douga: This is a Japanese video sharing website that hosts a large collection of MMD videos. Many of these videos include motion data that you can download and use in your own projects.
* YouTube: YouTube is another great place to find motion data for MMD. Many users upload their own motion data to YouTube, so you can find a wide variety of motion data to choose from.
Here are some specific tips for finding motion data for Miku:
* Use the search functions on the MMD website, MMD-PV, and Nico Nico Douga to find motion data by keyword.
* Browse the categories on the MMD website and MMD-PV to find motion data based on genre or character.
* Watch MMD videos on YouTube to find motion data that you like. You can then download the motion data from the video description.
Hope this helps.