diff -r 4f8fa42aed07 -r 5a31b6d4bf81 src/documentmanager.cpp
--- a/src/documentmanager.cpp	Thu Jan 04 22:42:01 2018 +0200
+++ b/src/documentmanager.cpp	Thu Jan 04 22:52:04 2018 +0200
@@ -139,7 +139,7 @@
 		unknowns << static_cast<LDError*>(obj)->fileReferenced();
 	}
 
-	if (config.tryDownloadMissingFiles() and not unknowns.isEmpty())
+	if (config->tryDownloadMissingFiles() and not unknowns.isEmpty())
 	{
 		PartDownloader dl(m_window);
 		dl.setSourceType(PartDownloader::PartsTracker);
@@ -225,7 +225,7 @@
 		return relativePath;
 
 	// Try with just the LDraw path first
-	QString fullPath = format("%1" DIRSLASH "%2", config.lDrawPath(), relativePath);
+	QString fullPath = format("%1" DIRSLASH "%2", config->lDrawPath(), relativePath);
 
 	if (QFileInfo::exists(fullPath))
 		return fullPath;
@@ -234,7 +234,7 @@
 	{
 		// Look in sub-directories: parts and p. Also look in the download path, since that's where we download parts
 		// from the PT to.
-		QStringList dirs = { config.lDrawPath(), config.downloadFilePath() };
+		QStringList dirs = { config->lDrawPath(), config->downloadFilePath() };
 		for (const QString& topdir : dirs)
 		{
 			for (const QString& subdir : QStringList({ "parts", "p" }))
@@ -362,7 +362,7 @@
 
 void DocumentManager::addRecentFile(QString path)
 {
-	QStringList recentFiles = config.recentFiles();
+	QStringList recentFiles = config->recentFiles();
 	int idx = recentFiles.indexOf(path);
 
 	// If this file already is in the list, pop it out.
@@ -380,7 +380,7 @@
 
 	// Add the file
 	recentFiles << path;
-	config.setRecentFiles(recentFiles);
+	config->setRecentFiles(recentFiles);
 	m_window->syncSettings();
 	m_window->updateRecentFilesMenu();
 }
@@ -415,7 +415,7 @@
 	// Possibly substitute with logoed studs:
 	// stud.dat -> stud-logo.dat
 	// stud2.dat -> stud-logo2.dat
-	if (config.useLogoStuds() and renderinline)
+	if (config->useLogoStuds() and renderinline)
 	{
 		// Ensure logoed studs are loaded first
 		loadLogoedStuds();