High Res PDF Tools >


Did you know, you can now markup 100-page architecture drawing sets, interior design rendering packages, urban design site reports, or documents on the go? And… you will look so much cooler doing it with the best drawing app on your iPad. Export from your favorite CAD software including Autodesk AutoCAD, AutoCAD LT and Revit as well as ArchiCAD, Microstation, SketchUp, SolidWorks, ActCAD, ArcSite, or Chief Architect. Below is a quick "How To" guide to get you started redlining any drawing set or image.

How to Redline PDF Drawing Sets

Step 1. Import PDF 

Tap the "+" button and then select "PDF" to get started. You can upload any PDF (up to 100 pages) file to Trace to begin marking up. 

Pro Tip
If you need help connecting your cloud storage app to Trace, learn more here.


Step 2. Use Markup Tools

Work with stencils, rulers, text, and other Trace super tools to quickly markup and annotate drawings.

Pro Tip
Make custom stencils for any unique symbols, notes, or blocks you use.


Step 3. PDF Slider

Tap the PDF slider or drag your Pencil or finger along it to change your current page.

Learn more about the PDF Slider here >

Pro Tip
Tap the handle icon on the left side to minimize the PDF Slider while you draw.


Step 4. PDF Manager

Tap the PDF Manager button to view all the pages in your PDF, pick a new page to mark up, rearrange your pages, add new pages, and delete pages.

Learn more about the PDF Manager here >

Pro Tip
Remember to set the scale for each page as needed. 


Step 5. Export Your Drawings

When you’re finished, tap the Export button in the PDF Manager to save a high-resolution PDF, email a PDF or image, or share an editable project file.


How To Video

Enjoy this how to video highlighting how to redline and mark up PDF drawing sets.

Additional Resources

3 New PDF Tools That Will Change Your Life

Read More Here >

Learn how to redline a 20-page PDF without cutting down a single tree with Jim Akers

Watch the Video >

Version: 5.3

About Morpholio Trace - Sketch Cad

Why Morpholio Trace for Architects, Landscape Architecture and Interior Designers?

Awarded Best Apps for architects, landscape architects, and interior designers, Trace is the dream sketch cad and architecture drawing software. Featured as both, the best app for iPad Pro and the best app for Apple Pencil, Trace combines the beauty and speed of sketching with the intelligence and precision of CAD. Whether you’re drawing project concepts, sketching through schematic design and designing architectural details, or just drawing on-site visits through construction administration and making high-res PDF drawing set markups, Morpholio Trace is everything you need for your new favorite architect app, landscape design app, or interior design app all in one. Welcome to the new best drawing app for iPad Pro.

Morpholio Trace Ecosystem

Morpholio drawing apps are not only named as the best app for architects, best app for architecture, best app for interior design, best design app, best app for landscape architects, and best app for iPad Pro, but they also now work as a perfect complement to, and seamlessly with your favorite architectural software, architecture apps, cad software, cad app, and interior design software. This includes Autodesk AutoCad, TinkerCad, Revit, SketchUp, SketchUp Viewer, Rhino, Pinterest, Adobe Photoshop, Shapr3D, UMake, and many more. In addition, your Apple iPad Pro, iPhone, and Apple Pencil will never be more exciting to use as Morpholio’s suite of drawing, design, and sketching apps become even more essential in your design process.