Offset 紀錄表(試切後填)
offset 填你試出來的榫孔 offset(負數),例:−0.15 mm。之後同木種、同接法、同刀徑就會自動帶出來。
進階
斜角:正=腳底往料框右/上張出去。榫頭垂直椅面、對齊肩那層正中。挖槽外框固定外擴刀半徑。
接點
榫頭(Workstation 立夾)
榫孔(料平放)
側視圖(示意,看懂實線和虛線用)
寬向(傾斜角 寬向)
厚向(傾斜角 厚向)
腳傾斜夾好、頂面已經水平。實線=頂面(對位用、原點在這) ・ 虛線=往下一個榫頭長的肩那一層 ・ 灰色=Shaper 要挖掉的 ・ 深木色=留下來的榫頭,對齊肩那層正中
灰填=挖槽 藍實線=原本的料框、中心十字、原點 藍虛線=斜腳在肩那一層的位置(只是參考)
整件備料單(所有接點加起來)
淨尺寸=刨好的成品尺寸。毛料長=淨長+斜切多吃掉的+多留,無條件進位。寬、厚的刨削餘量看你的毛料,這裡不加。
零件名稱從接點名稱來:「橫撐-腳」= 橫撐接進腳。同名的零件算同一支料,不會重複算;各接點尺寸對不上會提醒。
📖 詳細使用說明(點開)📖 Full instructions (click to open)
這是什麼
填料和榫頭的尺寸,一次產生 Shaper Origin 讀得懂的兩張 SVG:榫頭檔(料直立夾在 Workstation 上切)、榫孔檔(料平放切)。兩張用同一組數字算,改尺寸不會一張改了一張忘了。
基本流程
- ① 刀與原點:刀徑用卡尺量實際那把刀的值填(或按常用刀快捷鍵再修正)。原點選料框的哪個角,上機時 Origin 的原點就設在料的那個角。
- ② 榫頭那支料:填料的寬、厚,每個榫頭的寬、厚,以及榫頭長。
- ③ 榫孔那支料:填板子的長、寬、厚,榫孔中心離原點多遠。
- 看上面的提示:紅色 ✖ 是不能做(下載會跳出原因),黃色 ⚠ 是可以做但要注意。
- 下載榫頭、榫孔 SVG,傳到 Origin,上機前在螢幕上確認一次。
右上角切換
- mm / inch:只換畫面上的顯示和輸入。英吋可以打
1 3/4、7/8這種分數。下載的 SVG 一律是 mm,Shaper 會自己換算。 - 中文 / EN:介面、提示、上機單、檔名一起換。
榫頭(②)
- 個數:寬向幾個 × 厚向幾個,總數最多 4 個。榫頭之間的間距一定要大於刀徑,不然刀擠不進去,會直接擋下。
- 挖槽外框會自動比料框往外多一個刀半徑,料的四個角才不會留一截切不到。藍色實線是原本的料框,對位用。
- 榫頭四角的圓角 = 刀半徑,榫孔用同一把刀切,兩邊剛好對上。
- 腳長只給備料單用,填 0 就不列長度。
斜腳、複斜腳
- 在「斜角」填寬向、厚向的角度(正=腳底往料框右/上張出去)。只填一個=單斜,兩個都填=複斜。
- 榫頭一律垂直椅面,對齊「肩那一層」的正中。側視圖:實線=腳頂面,虛線=往下一個榫頭長的肩那層。
- 會算出腳頂、腳底斜切的轉角 + 傾角(鋸台照這組切,頂底兩面會平行)。
- 會多一張 ⑤ 斜腳夾治具 SVG:單斜出角度板、複斜出靠板 + 靠條 + 楔塊,都套 Workstation 夾持面的定位銷。夾板厚度用卡尺量實際的填。
榫孔排列(③)
- 直線:位置從原點那個角量;「連續個數 + 中心距」往另一端排;勾 X / Y 對稱會鏡射到另一邊(兩個都勾=四支腳)。
- 腳離框邊=原點那一側,腳的輪廓到料框邊的距離。你只要量這個,榫孔中心會自己算(顯示在榫孔卡片上)。
- 環狀:圓心(預設板子中心)、半徑、個數、起始角(0°=料長方向,逆時針為正),孔的方向可選順圓周、順半徑或不轉。
- 預覽上的綠色標註=兩支腳內側的淨距(直線=鏡射的兩支腳,環狀=對腳),卡片文字也有中心距,量橫撐用。斜腳的話這是貼椅面那層的距離,越往下越寬。
- 淨距旁邊的 「+建橫撐接點」:按一下新增「橫撐-腳」接點,橫撐長 = 淨距 + 兩頭榫頭,榫孔開在腳上、預設在腳長一半的高度。榫頭長直接改,橫撐長會跟著算(取消勾「橫撐:長度 = 淨距 + 兩頭榫頭」就能自己填長度)。橫撐的寬厚、裝在多高再自己改。
- 輪廓:方形(可圓角)或圓形。勾「切割」會把外形一起切(切到料厚減「外形留底」,在進階裡,預設留 0.1 不切穿);不勾只畫藍色虛線參考。
- 通榫:榫孔切穿,榫頭長自動 = 料厚 + 凸出;料太厚超過刀刃長,會自動改成兩面各切一半,多一張「背面」SVG。
Offset 怎麼試
榫頭固定 offset 0,只調榫孔。從 −0.08 mm(約 −0.003″)開始,太緊就往負的再多一點(一次 0.05 mm 左右);多個榫頭互相牽制,從 −0.20 mm 起。
- 最快:下載「試片 SVG」。一塊同木種、同厚度的邊料上並排 4 組榫孔,每組已經各自放大一個 offset(孔旁 1~4 個小點認是第幾組),切的時候 Origin 的 offset 設 0。用真的榫頭一個個插,剛好的那組,在 ④ 按對應的按鈕就記進紀錄表。一次切完,不用來回試。
- 合格的標準:插得進、手推得到底、拿起來不會掉。
- 試好按「+把這組記進紀錄表」填 offset。之後同木種 + 同接法(上膠/可拆)+ 同刀徑會自動帶出來。
- 合格的試片榫頭留著當試配規,整批榫孔切完每個都插一次。
上機前在 Origin 螢幕檢查
- 灰色區塊被認成「挖槽(Pocket)」;榫頭檔中間的榫頭沒有被塗成要挖掉。
- 藍色線只是導引,選不到、不會切。
- 每塊挖槽顯示的深度跟上機單一樣;料框大小 = 實際料的大小。
- Origin 上設的刀徑 = 實際裝的那把。
- 切榫頭時夾持面要降下去,讓整段榫頭露在夾持面上方(上機單會寫降多少)。
多個接點、備料單、上機單
- 一件家具有好幾種接點(腳-椅面、橫撐-腳…)就用上方「+新增 / 複製」各開一個,名稱也是下載的檔名開頭。
- 整件備料單把所有接點的料加起來,淨尺寸是長 × 寬 × 厚,毛料長 = 淨長 + 斜切多吃的 + 長度多留。零件名稱從接點名稱來(「橫撐-腳」= 橫撐接進腳),同名的零件算同一支料,不會重複算;尺寸對不上會提醒。
- 列印上機單:每個接點的順序、料怎麼放、深度、offset,加上開檔檢查清單。
- 數字會自動存在這台電腦的瀏覽器裡。換電腦用「匯出專案」存成檔案,到另一台「匯入專案」。
注意
- BenchPilot 加工範圍:鎖桌上約 460 × 445 mm、配 Workstation 約 460 × 280 mm,超出只提示不擋。
- Origin 最大切深 43 mm;超過刀刃長會提醒換長刀。
- 產生的檔案請先用廢料試切再上正式料。
What it does
Enter your stock and tenon sizes and get two SVGs that Shaper Origin reads directly: a tenon file (stock clamped upright in the Workstation) and a mortise file (stock flat). Both come from the same numbers, so they can never drift apart.
Basic workflow
- ① Bit & origin: enter the bit diameter you measured with calipers (or tap a quick button and correct it). Pick which corner of the stock is the origin — set Origin's origin on that corner of the real stock.
- ② Tenon piece: stock width and thickness, each tenon's width and thickness, and tenon length.
- ③ Mortise piece: board length, width, thickness and where the mortise center is.
- Check the messages: red ✖ can't be cut (download explains why), yellow ⚠ can be cut but pay attention.
- Download the tenon and mortise SVGs, send them to Origin and check them on screen before cutting.
Top-right switches
- mm / inch: changes display and input only. Inches accept fractions like
1 3/4or7/8. Downloaded SVGs are always in mm; Shaper converts automatically. - 中文 / EN: switches the interface, messages, setup sheet and file names.
Tenons (②)
- Count: number across the width × number across the thickness, max 4 in total. Spacing must be larger than the bit or the bit can't get between tenons — this is blocked.
- The pocket frame is automatically expanded by one bit radius past the stock so no corner is left uncut. The solid blue line is the original stock frame, for alignment.
- Tenon corner radius = bit radius; cut the mortise with the same bit and they match.
- Leg length is only for the cut list; 0 leaves it blank.
Splayed & compound legs
- Enter the splay angles for width and thickness (positive = foot flares toward the right / top of the frame). One angle = single splay, both = compound.
- Tenons stay perpendicular to the seat and are centered on the shoulder level. Side view: solid = leg top, dashed = shoulder level one tenon length down.
- You get the miter + bevel for cutting the leg top and bottom (same setting both ends, faces end up parallel).
- An extra ⑤ splayed-leg jig SVG: angle plates for single splay, fence plate + cleat + wedges for compound, all located on the Workstation clamping-face pins. Measure the plywood thickness with calipers.
Mortise layout (③)
- Linear: positions are measured from the origin corner; "repeat count + pitch" repeats toward the far end; tick X / Y mirror to mirror to the other side (both = four legs).
- Leg to edge = from the leg outline to the stock edge on the origin side. Measure just that; the mortise center is worked out for you (shown on the mortise card).
- Polar: center (board center by default), radius, count, start angle (0° = along the length, counter-clockwise positive); holes can follow the circle, point to the center, or not rotate.
- The green dimension in the preview is the clear distance between legs (linear = the mirrored pair, polar = opposite legs); the card also lists center-to-center — use it for stretcher length. For splayed legs this is at the seat; it grows lower down.
- “+ Create stretcher joint” next to the clear distance adds a “stretcher-leg” joint: stretcher length = clear distance + both tenons, mortise in the leg, placed at half the leg length. Change the tenon length and the stretcher length follows (untick “Stretcher: length = clear distance + both tenons” to type the length yourself). Adjust the stretcher size and height yourself.
- Outline: rectangle (optional corner radius) or round. Tick "Cut" to cut the outline too (to thickness minus "outline skin" under Advanced, 0.1 mm by default so it doesn't cut through); unticked it's a dashed blue guide.
- Through tenon: the mortise goes through and tenon length = stock thickness + protrusion automatically; if the stock is thicker than the flute length it is cut half from each side and you get a "back" SVG.
Dialing in the offset
Tenon offset is always 0 — adjust only the mortise. Start at −0.003″ (−0.08 mm) and go a little more negative if it's tight (about 0.002″ at a time); multiple tenons bind, so start at −0.008″ (−0.20 mm).
- Fastest: download the “test strip SVG”. One offcut of the same species and thickness gets 4 mortise sets side by side, each already enlarged by a different offset (1–4 small dots tell them apart); cut it with Origin's offset at 0. Try your real tenon in each — click the matching button in ④ and it's saved to the log. One cut instead of several rounds.
- A good fit: goes in, pushes home by hand, doesn't fall out when lifted.
- Click "+ Save this combo to the log" and enter the offset. The same species + joint type (glued / knock-down) + bit will pick it up automatically.
- Keep the good test tenon as a gauge and try it in every mortise of the batch.
Check on the Origin screen before cutting
- Grey areas show as Pocket; in the tenon file the tenon in the middle is NOT marked for removal.
- Blue lines are guides only — not selectable, not cut.
- Each pocket shows the same depth as the setup sheet; the stock frame equals the real stock size.
- Bit size set on Origin = the bit actually installed.
- For tenons, lower the clamping face so the whole tenon sits above it (the setup sheet says how far).
Joints, cut list, setup sheet
- A piece of furniture with several joints (leg-seat, stretcher-leg…): use "+ New / Duplicate" for each; the name is also the download file prefix.
- The project cut list adds up all joints. Net size is L × W × T; rough length = net + angle-cut waste + extra. Part names come from the joint name (“stretcher-leg” = stretcher into leg); parts with the same name count as one piece, and you're warned if their sizes differ.
- Print setup sheet: order, stock setup, depth and offset for every joint, plus a file checklist.
- Your numbers are saved in this browser. To move to another computer use "Export project", then "Import project" there.
Notes
- BenchPilot work area: about 460 × 445 mm bench-mounted, about 460 × 280 mm with the Workstation — exceeding it only shows a hint.
- Origin max cut depth is 43 mm; you'll be warned when a cut exceeds the flute length.
- Always test the files on scrap before cutting your real stock.