Make a splice strip for your film
Print a measured guide for hand-editing Super 8 or 16mm film. No splicing block needed.
Your splice strip will appear here after you click Generate.
Print a measured guide for hand-editing Super 8 or 16mm film. No splicing block needed.
Your splice strip will appear here after you click Generate.
Professional editing benches have a splicing block with pins that hold the film by its sprocket holes while you cut and tape. Without that block, your hands are the only alignment tool. A paper strip printed at actual film size gives your eyes a reference surface. Lay the strip on a flat table. Place your film on top of it, matching the sprocket holes to the printed circles. The cut line shows exactly where to trim. The overlap area tells you where tape or cement should land.
This method has been used in film schools and by itinerant projectionists for decades. It is not a replacement for a proper block, but it gets you within tolerance for most projection and telecine work. The key is printing at exact size and testing with a scrap piece first.
Your projector ate the first six inches of leader. You have a fresh reel of leader stock and need to attach it to the remaining film. Set the generator to Super 8, 10 frames, tape splice, 1.5 mm overlap. Print the strip. Lay the torn end of the original film on the strip so the last intact frame lines up with frame 1 on the guide. Mark the cut line on the film with a fine-tip marker. Do the same with the new leader, aligning its first frame to frame 10. Cut both pieces along the marked lines. Butt the cut ends together on the strip, apply splicing tape across the gap, and burnish with a fingernail. The guide keeps everything parallel.
| Factor | Tape splice | Cement splice |
|---|---|---|
| Best for | Super 8, quick repairs, projection prints | 16mm, archival work, negative cutting |
| Durability | Good for 100–200 passes; tape can yellow over decades | Excellent; fused bond lasts 50+ years if stored cool |
| Skill level | Beginner friendly; forgiving of small errors | Intermediate; requires scraping emulsion without damaging base |
| Frame loss | None if butt-spliced correctly | Loses ~1 frame per splice due to overlap |
| Equipment | Splicing tape, burnisher, printed guide | Film cement, scraper, printed guide, ventilation |
For most home and student projects, tape splicing with a printed guide is the practical choice. Cement splices make sense when you are building a negative that will be contact-printed or when you want a splice that cannot peel apart in a hot projector gate. Always work in a ventilated area when using film cement; the solvents are flammable and not great for your lungs.