Leonardo Ai 3D 紋理生成教學
這個功能是用來為 3D 模型的皮膚進行上色, 依照我們給它的 Prompt 去生成紋理, 建立出基本的模型外觀。
接下來跟著步驟試試看吧!
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打開 Leonardo Ai 後, 在左側欄位中選擇 Texture Generation
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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按一下畫面右上角的 Upload New Object
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Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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這時會跳出一個上傳畫面, 我們需要有一個 3D 模型檔才可以進行紋理生成。
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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Leonardo Ai 限定上傳 OBJ 檔案, 並不支援其他檔案
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請使用本章的範例模型, 範例是一個步槍的 3D模型, 我們要利用 Leonardo Ai 將它的外觀塗上紋理及顏色, 接著按一下以下本章範例模型的鏈接
範例檔鏈接: 本章範例模型
之後讀者也可以至 Free 3D 官網取得喜歡的模型檔, 官方鏈接:Free 3D 官網
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範例模型頁面
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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按一下下載
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Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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按此下載壓縮檔
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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將下載檔解壓縮後會出現很多檔案, 我們等一下要使用的是 M4A1 3D Object 類型的檔案, 大小是6,793 KB
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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接下來我們回到 Leonardo Ai 的頁面, 按一下以下區塊
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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上傳以下檔案
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Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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可以看到預覽畫面, 請在輸入欄中輸入文件名稱 M4A1
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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按一下 Start Texturing
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Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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接著按一下這個文件
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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編輯畫面中可以用不同角度去觀看模型 (按住滑鼠左鍵左右滑)
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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在 Prompt 輸入框中輸入以下文字:
M4A1 rifle, camouflage background color, material matte metal, dark green
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Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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按此可以預覽並消耗 5 個 tokens。
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Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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等待數秒後可以看到預覽的畫面。
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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覺得沒問題後我們就可以按下完整紋理生成的按鈕並消耗 30 個 tokens。
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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接著出現提示訊息, 關閉訊息後等待約 5 分鐘就可以看到模型成果了!
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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最終的模型紋理, 槍枝的部位都有被辨識出來並上色, 也可以發現某些部位還有許多雜色, 這部分讀者可以嘗試使用 Negative Prompt 來影響生成。
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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如果想要將紋理保存下來可以按 Assets 前往
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Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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在左側欄最下方有兩個下載鈕, Download all assets 可以下載目前最終版本的紋理檔案, 而 Download.OBJ file 是閜載空白的 Mesh 檔。這裡我們按下 Download all assets , 並解壓縮資料夾
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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打開資料夾
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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按兩下打開資料夾
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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可以看到這裡有此紋理的各式檔案, 如果有 3D 建模的軟體並有對應的材質就可以直接使用。
Image Not Showing
Possible Reasons
- The image file may be corrupted
- The server hosting the image is unavailable
- The image path is incorrect
- The image format is not supported
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整體而言 Texture Generation 這項功能對於 Leonardo Ai 來說是一個很不錯的應用, 也讓 AI 繪圖工具更加多元, 但是實際效果還需要再成熟, 像是只能上傳 OBJ 檔、生成的紋理太多雜色, 不過可以藉由它提供紋理上色的想法, 是個很有趣的工具。